13689868 has 12 divisors (see below), whose sum is σ = 23986872. Its totient is φ = 6836480.

The previous prime is 13689857. The next prime is 13689869. The reversal of 13689868 is 86898631.

It is not an unprimeable number, because it can be changed into a prime (13689869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796 + ... + 5932.

It is an arithmetic number, because the mean of its divisors is an integer number (1998906).

Almost surely, 2^13689868 is an apocalyptic number.

It is an amenable number.

13689868 is a deficient number, since it is larger than the sum of its proper divisors (10297004).

13689868 is a wasteful number, since it uses less digits than its factorization.

13689868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4230 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 13689868 is about 3699.9821621192. The cubic root of 13689868 is about 239.2212489932.

It can be divided in two parts, 1368 and 9868, that added together give a square (11236 = 106²).

The spelling of 13689868 in words is "thirteen million, six hundred eighty-nine thousand, eight hundred sixty-eight".