12631868 has 12 divisors (see below), whose sum is σ = 22325352. Its totient is φ = 6253200.

The previous prime is 12631831. The next prime is 12631873. The reversal of 12631868 is 86813621.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15230 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (1860446).

Almost surely, 2^12631868 is an apocalyptic number.

It is an amenable number.

12631868 is a deficient number, since it is larger than the sum of its proper divisors (9693484).

12631868 is a wasteful number, since it uses less digits than its factorization.

12631868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31372 (or 31370 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 12631868 is about 3554.1339310724. The cubic root of 12631868 is about 232.8926912888.

The spelling of 12631868 in words is "twelve million, six hundred thirty-one thousand, eight hundred sixty-eight".