12633616 has 20 divisors (see below), whose sum is σ = 25268224. Its totient is φ = 6112800.

The previous prime is 12633581. The next prime is 12633623. The reversal of 12633616 is 61633621.

12633616 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240 + ... + 13231.

Almost surely, 2^12633616 is an apocalyptic number.

12633616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12633616 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12633616 is a wasteful number, since it uses less digits than its factorization.

12633616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25510 (or 25504 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 12633616 is about 3554.3798333887. The cubic root of 12633616 is about 232.9034333698.

The spelling of 12633616 in words is "twelve million, six hundred thirty-three thousand, six hundred sixteen".