11639874 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 3770000.

The previous prime is 11639869. The next prime is 11639893. The reversal of 11639874 is 47893611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46249 + ... + 46499.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^11639874 is an apocalyptic number.

11639874 is an abundant number, since it is smaller than the sum of its proper divisors (12310206).

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

11639874 is a wasteful number, since it uses less digits than its factorization.

11639874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its digits is 36288, while the sum is 39.

The square root of 11639874 is about 3411.7259561694. The cubic root of 11639874 is about 226.6293186254.

The spelling of 11639874 in words is "eleven million, six hundred thirty-nine thousand, eight hundred seventy-four".