12642632 has 32 divisors (see below), whose sum is σ = 24398400. Its totient is φ = 6139584.

The previous prime is 12642631. The next prime is 12642649. The reversal of 12642632 is 23624621.

It is a super-2 number, since 2×12642632² = 319672287774848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12642631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55094 + ... + 55322.

It is an arithmetic number, because the mean of its divisors is an integer number (762450).

Almost surely, 2^12642632 is an apocalyptic number.

It is an amenable number.

12642632 is a deficient number, since it is larger than the sum of its proper divisors (11755768).

12642632 is a wasteful number, since it uses less digits than its factorization.

12642632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 401 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 12642632 is about 3555.6479015786. The cubic root of 12642632 is about 232.9588241630.

The spelling of 12642632 in words is "twelve million, six hundred forty-two thousand, six hundred thirty-two".