13689502 has 8 divisors (see below), whose sum is σ = 20971296. Its totient is φ = 6699072.

The previous prime is 13689499. The next prime is 13689503. The reversal of 13689502 is 20598631.

13689502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689503) 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, 72723 + ... + 72910.

It is an arithmetic number, because the mean of its divisors is an integer number (2621412).

Almost surely, 2^13689502 is an apocalyptic number.

13689502 is a deficient number, since it is larger than the sum of its proper divisors (7281794).

13689502 is a wasteful number, since it uses less digits than its factorization.

13689502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145682.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13689502 is about 3699.9327020907. The cubic root of 13689502 is about 239.2191171061.

The spelling of 13689502 in words is "thirteen million, six hundred eighty-nine thousand, five hundred two".