13989360 has 160 divisors (see below), whose sum is σ = 54139392. Its totient is φ = 2903040.

The previous prime is 13989341. The next prime is 13989361. The reversal of 13989360 is 6398931.

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 31 ways as a sum of consecutive naturals, for example, 18102 + ... + 18858.

Almost surely, 2^13989360 is an apocalyptic number.

13989360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13989360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27069696).

13989360 is an abundant number, since it is smaller than the sum of its proper divisors (40150032).

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

13989360 is a wasteful number, since it uses less digits than its factorization.

13989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 13989360 is about 3740.2352867166. The cubic root of 13989360 is about 240.9531540059.

The spelling of 13989360 in words is "thirteen million, nine hundred eighty-nine thousand, three hundred sixty".