1312563952 has 40 divisors (see below), whose sum is σ = 2913242112. Its totient is φ = 561201600.

The previous prime is 1312563929. The next prime is 1312563991. The reversal of 1312563952 is 2593652131.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 34677 + ... + 61867.

Almost surely, 2^1312563952 is an apocalyptic number.

It is an amenable number.

1312563952 is an abundant number, since it is smaller than the sum of its proper divisors (1600678160).

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

1312563952 is a wasteful number, since it uses less digits than its factorization.

1312563952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637 (or 27631 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 1312563952 is about 36229.3244761754. The cubic root of 1312563952 is about 1094.8975674773.

It can be divided in two parts, 13125 and 63952, that added together give a palindrome (77077).

The spelling of 1312563952 in words is "one billion, three hundred twelve million, five hundred sixty-three thousand, nine hundred fifty-two".