1312656204 has 12 divisors (see below), whose sum is σ = 3062864504. Its totient is φ = 437552064.

The previous prime is 1312656197. The next prime is 1312656229. The reversal of 1312656204 is 4026562131.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54693997 + ... + 54694020.

Almost surely, 2^1312656204 is an apocalyptic number.

It is an amenable number.

1312656204 is an abundant number, since it is smaller than the sum of its proper divisors (1750208300).

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

1312656204 is a wasteful number, since it uses less digits than its factorization.

1312656204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109388024 (or 109388022 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1312656204 is about 36230.5976213476. The cubic root of 1312656204 is about 1094.9232180685.

The spelling of 1312656204 in words is "one billion, three hundred twelve million, six hundred fifty-six thousand, two hundred four".