12631132 has 6 divisors (see below), whose sum is σ = 22104488. Its totient is φ = 6315564.

The previous prime is 12631111. The next prime is 12631141. The reversal of 12631132 is 23113621.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1578888 + ... + 1578895.

Almost surely, 2^12631132 is an apocalyptic number.

It is an amenable number.

12631132 is a deficient number, since it is larger than the sum of its proper divisors (9473356).

12631132 is a wasteful number, since it uses less digits than its factorization.

12631132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157787 (or 3157785 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 12631132 is about 3554.0303881650. The cubic root of 12631132 is about 232.8881680109. Note that the first 3 decimals are identical.

Subtracting from 12631132 its product of digits (216), we obtain a square (12630916 = 3554²).

Adding to 12631132 its reverse (23113621), we get a palindrome (35744753).

The spelling of 12631132 in words is "twelve million, six hundred thirty-one thousand, one hundred thirty-two".