13689366 has 16 divisors (see below), whose sum is σ = 27635904. Its totient is φ = 4520264.

The previous prime is 13689359. The next prime is 13689397. The reversal of 13689366 is 66398631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10020 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (1727244).

Almost surely, 2^13689366 is an apocalyptic number.

13689366 is an abundant number, since it is smaller than the sum of its proper divisors (13946538).

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

13689366 is a wasteful number, since it uses less digits than its factorization.

13689366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435.

The product of its digits is 139968, while the sum is 42.

The square root of 13689366 is about 3699.9143233324. The cubic root of 13689366 is about 239.2183249198.

The spelling of 13689366 in words is "thirteen million, six hundred eighty-nine thousand, three hundred sixty-six".