1299713912 has 32 divisors (see below), whose sum is σ = 2837656800. Its totient is φ = 546509184.

The previous prime is 1299713897. The next prime is 1299713939. The reversal of 1299713912 is 2193179921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215987 + ... + 221922.

It is an arithmetic number, because the mean of its divisors is an integer number (88676775).

Almost surely, 2^1299713912 is an apocalyptic number.

It is an amenable number.

1299713912 is an abundant number, since it is smaller than the sum of its proper divisors (1537942888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1299713912 is a wasteful number, since it uses less digits than its factorization.

1299713912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437975 (or 437971 counting only the distinct ones).

The product of its digits is 61236, while the sum is 44.

The square root of 1299713912 is about 36051.5452096023. The cubic root of 1299713912 is about 1091.3128170831.

The spelling of 1299713912 in words is "one billion, two hundred ninety-nine million, seven hundred thirteen thousand, nine hundred twelve".