12638588 has 6 divisors (see below), whose sum is σ = 22117536. Its totient is φ = 6319292.

The previous prime is 12638581. The next prime is 12638621. The reversal of 12638588 is 88583621.

12638588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579820 + ... + 1579827.

It is an arithmetic number, because the mean of its divisors is an integer number (3686256).

Almost surely, 2^12638588 is an apocalyptic number.

It is an amenable number.

12638588 is a deficient number, since it is larger than the sum of its proper divisors (9478948).

12638588 is a wasteful number, since it uses less digits than its factorization.

12638588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159651 (or 3159649 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 12638588 is about 3555.0791833657. The cubic root of 12638588 is about 232.9339826597.

The spelling of 12638588 in words is "twelve million, six hundred thirty-eight thousand, five hundred eighty-eight".