12631288 has 8 divisors (see below), whose sum is σ = 23683680. Its totient is φ = 6315640.

The previous prime is 12631279. The next prime is 12631303. The reversal of 12631288 is 88213621.

12631288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789448 + ... + 789463.

It is an arithmetic number, because the mean of its divisors is an integer number (2960460).

Almost surely, 2^12631288 is an apocalyptic number.

It is an amenable number.

12631288 is a deficient number, since it is larger than the sum of its proper divisors (11052392).

12631288 is a wasteful number, since it uses less digits than its factorization.

12631288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578917 (or 1578913 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 12631288 is about 3554.0523350114. The cubic root of 12631288 is about 232.8891267638.

The spelling of 12631288 in words is "twelve million, six hundred thirty-one thousand, two hundred eighty-eight".