12631432 has 24 divisors (see below), whose sum is σ = 26034750. Its totient is φ = 5741120.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631432 is 23413621.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 2172676 = 3234^2 + 1474^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5557 + ... + 7492.

Almost surely, 2^12631432 is an apocalyptic number.

It is an amenable number.

12631432 is an abundant number, since it is smaller than the sum of its proper divisors (13403318).

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

12631432 is a wasteful number, since it uses less digits than its factorization.

12631432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077 (or 13062 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 12631432 is about 3554.0725935186. The cubic root of 12631432 is about 232.8900117595.

The spelling of 12631432 in words is "twelve million, six hundred thirty-one thousand, four hundred thirty-two".