12635652 has 12 divisors (see below), whose sum is σ = 29483216. Its totient is φ = 4211880.

The previous prime is 12635639. The next prime is 12635653. The reversal of 12635652 is 25653621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12635653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526474 + ... + 526497.

Almost surely, 2^12635652 is an apocalyptic number.

12635652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12635652 is an abundant number, since it is smaller than the sum of its proper divisors (16847564).

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

12635652 is a wasteful number, since it uses less digits than its factorization.

12635652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052978 (or 1052976 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 12635652 is about 3554.6662290572. Note that the first 3 decimals coincide. The cubic root of 12635652 is about 232.9159440640.

It can be divided in two parts, 126 and 35652, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 12635652 in words is "twelve million, six hundred thirty-five thousand, six hundred fifty-two".