1312876944 has 80 divisors (see below), whose sum is σ = 3848682240. Its totient is φ = 428307840.

The previous prime is 1312876933. The next prime is 1312876997. The reversal of 1312876944 is 4496782131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312876944.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12027 + ... + 52634.

It is an arithmetic number, because the mean of its divisors is an integer number (48108528).

Almost surely, 2^1312876944 is an apocalyptic number.

It is an amenable number.

1312876944 is an abundant number, since it is smaller than the sum of its proper divisors (2535805296).

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

1312876944 is a wasteful number, since it uses less digits than its factorization.

1312876944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64725 (or 64713 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1312876944 is about 36233.6438134505. The cubic root of 1312876944 is about 1094.9845897625.

The spelling of 1312876944 in words is "one billion, three hundred twelve million, eight hundred seventy-six thousand, nine hundred forty-four".