12642884 has 12 divisors (see below), whose sum is σ = 22285200. Its totient is φ = 6275688.

The previous prime is 12642881. The next prime is 12642901. The reversal of 12642884 is 48824621.

It is not an unprimeable number, because it can be changed into a prime (12642881) 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, 10814 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (1857100).

Almost surely, 2^12642884 is an apocalyptic number.

It is an amenable number.

12642884 is a deficient number, since it is larger than the sum of its proper divisors (9642316).

12642884 is a wasteful number, since it uses less digits than its factorization.

12642884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882 (or 22880 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 12642884 is about 3555.6833379816. The cubic root of 12642884 is about 232.9603719745.

The spelling of 12642884 in words is "twelve million, six hundred forty-two thousand, eight hundred eighty-four".