13919375 has 10 divisors (see below), whose sum is σ = 17394432. Its totient is φ = 11135000.

The previous prime is 13919371. The next prime is 13919383. The reversal of 13919375 is 57391931.

13919375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13919375 - 2² = 13919371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13919371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10511 + ... + 11760.

Almost surely, 2^13919375 is an apocalyptic number.

13919375 is a deficient number, since it is larger than the sum of its proper divisors (3475057).

13919375 is an frugal number, since it uses more digits than its factorization.

13919375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22291 (or 22276 counting only the distinct ones).

The product of its digits is 25515, while the sum is 38.

The square root of 13919375 is about 3730.8678615035. The cubic root of 13919375 is about 240.5506741825.

The spelling of 13919375 in words is "thirteen million, nine hundred nineteen thousand, three hundred seventy-five".