1312959432 has 32 divisors (see below), whose sum is σ = 3455157600. Its totient is φ = 414618624.

The previous prime is 1312959379. The next prime is 1312959433. The reversal of 1312959432 is 2349592131.

It is not an unprimeable number, because it can be changed into a prime (1312959433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439193 + ... + 1440104.

It is an arithmetic number, because the mean of its divisors is an integer number (107973675).

Almost surely, 2^1312959432 is an apocalyptic number.

1312959432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312959432 is an abundant number, since it is smaller than the sum of its proper divisors (2142198168).

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

1312959432 is a wasteful number, since it uses less digits than its factorization.

1312959432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879325 (or 2879321 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 1312959432 is about 36234.7820746862. The cubic root of 1312959432 is about 1095.0075218932.

The spelling of 1312959432 in words is "one billion, three hundred twelve million, nine hundred fifty-nine thousand, four hundred thirty-two".