12631512 has 32 divisors (see below), whose sum is σ = 31708080. Its totient is φ = 4193280.

The previous prime is 12631511. The next prime is 12631517. The reversal of 12631512 is 21513621.

12631512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12631512² = 319110190812288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631511) 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, 5808 + ... + 7680.

Almost surely, 2^12631512 is an apocalyptic number.

12631512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12631512 is an abundant number, since it is smaller than the sum of its proper divisors (19076568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12631512 is a wasteful number, since it uses less digits than its factorization.

12631512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2159 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 12631512 is about 3554.0838481949. The cubic root of 12631512 is about 232.8905034209.

It can be divided in two parts, 1263 and 1512, that added together give a triangular number (2775 = T₇₄).

The spelling of 12631512 in words is "twelve million, six hundred thirty-one thousand, five hundred twelve".