1312430956 has 24 divisors (see below), whose sum is σ = 2327534496. Its totient is φ = 647479680.

The previous prime is 1312430941. The next prime is 1312430963. The reversal of 1312430956 is 6590342131.

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, 84346 + ... + 98686.

It is an arithmetic number, because the mean of its divisors is an integer number (96980604).

Almost surely, 2^1312430956 is an apocalyptic number.

It is an amenable number.

1312430956 is a deficient number, since it is larger than the sum of its proper divisors (1015103540).

1312430956 is a wasteful number, since it uses less digits than its factorization.

1312430956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1312430956 is about 36227.4889552119. The cubic root of 1312430956 is about 1094.8605859357.

The spelling of 1312430956 in words is "one billion, three hundred twelve million, four hundred thirty thousand, nine hundred fifty-six".