12633664 has 28 divisors (see below), whose sum is σ = 25190704. Its totient is φ = 6286464.

The previous prime is 12633661. The next prime is 12633667. The reversal of 12633664 is 46633621.

It is an interprime number because it is at equal distance from previous prime (12633661) and next prime (12633667).

It is not an unprimeable number, because it can be changed into a prime (12633661) by changing a digit.

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, 19327 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (899668).

Almost surely, 2^12633664 is an apocalyptic number.

It is an amenable number.

12633664 is a deficient number, since it is larger than the sum of its proper divisors (12557040).

12633664 is an equidigital number, since it uses as much as digits as its factorization.

12633664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 952 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 12633664 is about 3554.3865856150. The cubic root of 12633664 is about 232.9037283329.

The spelling of 12633664 in words is "twelve million, six hundred thirty-three thousand, six hundred sixty-four".