1307879312 has 10 divisors (see below), whose sum is σ = 2534016198. Its totient is φ = 653939648.

The previous prime is 1307879303. The next prime is 1307879347. The reversal of 1307879312 is 2139787031.

It can be written as a sum of positive squares in only one way, i.e., 1257127936 + 50751376 = 35456^2 + 7124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1307879312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40871213 + ... + 40871244.

Almost surely, 2^1307879312 is an apocalyptic number.

It is an amenable number.

1307879312 is a deficient number, since it is larger than the sum of its proper divisors (1226136886).

1307879312 is an equidigital number, since it uses as much as digits as its factorization.

1307879312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81742465 (or 81742459 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1307879312 is about 36164.6140861478. The cubic root of 1307879312 is about 1093.5934239777.

The spelling of 1307879312 in words is "one billion, three hundred seven million, eight hundred seventy-nine thousand, three hundred twelve".