1312401976 has 32 divisors (see below), whose sum is σ = 2497294800. Its totient is φ = 646501120.

The previous prime is 1312401941. The next prime is 1312401997. The reversal of 1312401976 is 6791042131.

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, 255756 + ... + 260836.

Almost surely, 2^1312401976 is an apocalyptic number.

It is an amenable number.

1312401976 is a deficient number, since it is larger than the sum of its proper divisors (1184892824).

1312401976 is a wasteful number, since it uses less digits than its factorization.

1312401976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1312401976 is about 36227.0889804853. The cubic root of 1312401976 is about 1094.8525272785.

The spelling of 1312401976 in words is "one billion, three hundred twelve million, four hundred one thousand, nine hundred seventy-six".