12638132 has 24 divisors (see below), whose sum is σ = 24855936. Its totient is φ = 5578848.

The previous prime is 12638099. The next prime is 12638147. The reversal of 12638132 is 23183621.

12638132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 4088 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (1035664).

Almost surely, 2^12638132 is an apocalyptic number.

It is an amenable number.

12638132 is a deficient number, since it is larger than the sum of its proper divisors (12217804).

12638132 is a wasteful number, since it uses less digits than its factorization.

12638132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607 (or 10605 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 12638132 is about 3555.0150491946. The cubic root of 12638132 is about 232.9311812082.

The spelling of 12638132 in words is "twelve million, six hundred thirty-eight thousand, one hundred thirty-two".