12631372 has 12 divisors (see below), whose sum is σ = 23805376. Its totient is φ = 5829840.

The previous prime is 12631361. The next prime is 12631373. The reversal of 12631372 is 27313621.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12631373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121404 + ... + 121507.

Almost surely, 2^12631372 is an apocalyptic number.

It is an amenable number.

12631372 is a deficient number, since it is larger than the sum of its proper divisors (11174004).

12631372 is a wasteful number, since it uses less digits than its factorization.

12631372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242928 (or 242926 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12631372 is about 3554.0641524880. The cubic root of 12631372 is about 232.8896430121.

Adding to 12631372 its reverse (27313621), we get a palindrome (39944993).

The spelling of 12631372 in words is "twelve million, six hundred thirty-one thousand, three hundred seventy-two".