13988572 has 24 divisors (see below), whose sum is σ = 26470976. Its totient is φ = 6429888.

The previous prime is 13988561. The next prime is 13988591. The reversal of 13988572 is 27588931.

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, 18718 + ... + 19450.

Almost surely, 2^13988572 is an apocalyptic number.

It is an amenable number.

13988572 is a deficient number, since it is larger than the sum of its proper divisors (12482404).

13988572 is a wasteful number, since it uses less digits than its factorization.

13988572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 13988572 is about 3740.1299442666. The cubic root of 13988572 is about 240.9486297424.

The spelling of 13988572 in words is "thirteen million, nine hundred eighty-eight thousand, five hundred seventy-two".