12633885 has 24 divisors (see below), whose sum is σ = 23890464. Its totient is φ = 6125280.

The previous prime is 12633869. The next prime is 12633899. The reversal of 12633885 is 58833621.

12633885 is a `hidden beast` number, since 12 + 633 + 8 + 8 + 5 = 666.

It is not a de Polignac number, because 12633885 - 2⁴ = 12633869 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 12267 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (995436).

Almost surely, 2^12633885 is an apocalyptic number.

12633885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12633885 is a deficient number, since it is larger than the sum of its proper divisors (11256579).

12633885 is a wasteful number, since it uses less digits than its factorization.

12633885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25545 (or 25542 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12633885 is about 3554.4176738251. The cubic root of 12633885 is about 232.9050863824.

The spelling of 12633885 in words is "twelve million, six hundred thirty-three thousand, eight hundred eighty-five".