13989368 has 32 divisors (see below), whose sum is σ = 28738800. Its totient is φ = 6354432.

The previous prime is 13989361. The next prime is 13989379. The reversal of 13989368 is 86398931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 5717.

Almost surely, 2^13989368 is an apocalyptic number.

It is an amenable number.

13989368 is an abundant number, since it is smaller than the sum of its proper divisors (14749432).

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

13989368 is a wasteful number, since it uses less digits than its factorization.

13989368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3595 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 13989368 is about 3740.2363561679. The cubic root of 13989368 is about 240.9531999366.

The spelling of 13989368 in words is "thirteen million, nine hundred eighty-nine thousand, three hundred sixty-eight".