13988272 has 10 divisors (see below), whose sum is σ = 27102308. Its totient is φ = 6994128.

The previous prime is 13988243. The next prime is 13988279. The reversal of 13988272 is 27288931.

13988272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13988279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437118 + ... + 437149.

Almost surely, 2^13988272 is an apocalyptic number.

It is an amenable number.

13988272 is a deficient number, since it is larger than the sum of its proper divisors (13114036).

13988272 is an equidigital number, since it uses as much as digits as its factorization.

13988272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874275 (or 874269 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 13988272 is about 3740.0898384932. The cubic root of 13988272 is about 240.9469072624.

The spelling of 13988272 in words is "thirteen million, nine hundred eighty-eight thousand, two hundred seventy-two".