13889632 has 24 divisors (see below), whose sum is σ = 27436752. Its totient is φ = 6921600.

The previous prime is 13889599. The next prime is 13889641. The reversal of 13889632 is 23698831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12957 + ... + 13987.

It is an arithmetic number, because the mean of its divisors is an integer number (1143198).

Almost surely, 2^13889632 is an apocalyptic number.

It is an amenable number.

13889632 is a deficient number, since it is larger than the sum of its proper divisors (13547120).

13889632 is a wasteful number, since it uses less digits than its factorization.

13889632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1454 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 13889632 is about 3726.8796599837. The cubic root of 13889632 is about 240.3792153148.

The spelling of 13889632 in words is "thirteen million, eight hundred eighty-nine thousand, six hundred thirty-two".