13719988 has 12 divisors (see below), whose sum is σ = 24056032. Its totient is φ = 6846840.

The previous prime is 13719961. The next prime is 13719991. The reversal of 13719988 is 88991731.

13719988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720 + ... + 5287.

Almost surely, 2^13719988 is an apocalyptic number.

It is an amenable number.

13719988 is a deficient number, since it is larger than the sum of its proper divisors (10336044).

13719988 is a wasteful number, since it uses less digits than its factorization.

13719988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6580 counting only the distinct ones).

The product of its digits is 108864, while the sum is 46.

The square root of 13719988 is about 3704.0502156423. The cubic root of 13719988 is about 239.3965627398.

The spelling of 13719988 in words is "thirteen million, seven hundred nineteen thousand, nine hundred eighty-eight".