12664632 has 32 divisors (see below), whose sum is σ = 31787280. Its totient is φ = 4204800.

The previous prime is 12664607. The next prime is 12664669. The reversal of 12664632 is 23646621.

12664632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12664632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6132 + ... + 7932.

Almost surely, 2^12664632 is an apocalyptic number.

12664632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12664632 is an abundant number, since it is smaller than the sum of its proper divisors (19122648).

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

12664632 is a wasteful number, since it uses less digits than its factorization.

12664632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2099 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 12664632 is about 3558.7402265408. The cubic root of 12664632 is about 233.0938731570.

The spelling of 12664632 in words is "twelve million, six hundred sixty-four thousand, six hundred thirty-two".