12638108 has 12 divisors (see below), whose sum is σ = 25276272. Its totient is φ = 5416320.

The previous prime is 12638099. The next prime is 12638147. The reversal of 12638108 is 80183621.

12638108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12638108 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225653 + ... + 225708.

It is an arithmetic number, because the mean of its divisors is an integer number (2106356).

Almost surely, 2^12638108 is an apocalyptic number.

It is an amenable number.

12638108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12638108 is a wasteful number, since it uses less digits than its factorization.

12638108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451372 (or 451370 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12638108 is about 3555.0116736798. The cubic root of 12638108 is about 232.9310337616.

The spelling of 12638108 in words is "twelve million, six hundred thirty-eight thousand, one hundred eight".