Facebook reached 1.15 billion monthly active users as of June 30, up 21 percent compared with the second quarter of 2012, while daily active users were up 27 percent to 699 million, and mobile MAUs leaped by 51 percent to 819 million, the company reported as part of its second-quarter financial results.

The social network reported 469 million mobile DAUs at the end of the second quarter of 2013.

Facebook’s revenue was $1.81 billion in the second quarter of 2013, up 53 percent from the year-ago period, and its revenue from advertising of $1.6 billion represented 88 percent of total revenue and was up 61 percent from the second quarter of 2012. Mobile ad revenue made up about 41 percent of total ad revenue in the second quarter, the company said.

Facebook posted GAAP (generally accepted accounting principles) net income of $333 million in the period, compared with a net loss of $157 million in the previous-year quarter. GAAP-diluted earnings per share were $0.13, versus a loss of $0.08 in the year-ago period.

Non-GAAP net income, excluding share-based compensation and related payroll tax expenses and income tax adjustments, was $488 million, up 65 percent from $295 million in the second quarter of 2012. Non-GAAP-diluted EPS was $0.19, up 58 percent from $0.12.

Facebook posted GAAP income from operations of $562 million, compared with a loss of $743 million in the prior-year quarter. Non-GAAP income from operations was $794 million, up 54 percent from $515 million in the second quarter of 2012.

The company’s operating margin for the second quarter of 2013 was 31 percent, versus negative 63 percent in the year-earlier quarter. Excluding share-based compensation and related payroll tax expenses, non-GAAP operating margin was 44 percent, up slightly from 43 percent.

Capital expenditures were down 35 percent from the second quarter of 2012, at $268 million.

Facebook cited among its operating highlights for the second quarter of 2013: