12638802 has 16 divisors (see below), whose sum is σ = 27575712. Its totient is φ = 3829920.

The previous prime is 12638797. The next prime is 12638807. The reversal of 12638802 is 20883621.

It is an interprime number because it is at equal distance from previous prime (12638797) and next prime (12638807).

It is a self number, because there is not a number n which added to its sum of digits gives 12638802.

It is not an unprimeable number, because it can be changed into a prime (12638807) 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, 95683 + ... + 95814.

It is an arithmetic number, because the mean of its divisors is an integer number (1723482).

Almost surely, 2^12638802 is an apocalyptic number.

12638802 is an abundant number, since it is smaller than the sum of its proper divisors (14936910).

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

12638802 is a wasteful number, since it uses less digits than its factorization.

12638802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191513.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12638802 is about 3555.1092810208. The cubic root of 12638802 is about 232.9352973528.

The spelling of 12638802 in words is "twelve million, six hundred thirty-eight thousand, eight hundred two".