12631336 has 32 divisors (see below), whose sum is σ = 24615360. Its totient is φ = 6072192.

The previous prime is 12631303. The next prime is 12631337. The reversal of 12631336 is 63313621.

It is a self number, because there is not a number n which added to its sum of digits gives 12631336.

It is not an unprimeable number, because it can be changed into a prime (12631337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24861 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (769230).

Almost surely, 2^12631336 is an apocalyptic number.

It is an amenable number.

12631336 is a deficient number, since it is larger than the sum of its proper divisors (11984024).

12631336 is a wasteful number, since it uses less digits than its factorization.

12631336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 12631336 is about 3554.0590878600. The cubic root of 12631336 is about 232.8894217631.

Adding to 12631336 its reverse (63313621), we get a palindrome (75944957).

The spelling of 12631336 in words is "twelve million, six hundred thirty-one thousand, three hundred thirty-six".