13957238 has 8 divisors (see below), whose sum is σ = 22167432. Its totient is φ = 6568096.

The previous prime is 13957219. The next prime is 13957249. The reversal of 13957238 is 83275931.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 205220 + ... + 205287.

It is an arithmetic number, because the mean of its divisors is an integer number (2770929).

Almost surely, 2^13957238 is an apocalyptic number.

13957238 is a deficient number, since it is larger than the sum of its proper divisors (8210194).

13957238 is a wasteful number, since it uses less digits than its factorization.

13957238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410526.

The product of its digits is 45360, while the sum is 38.

The square root of 13957238 is about 3735.9387039940. The cubic root of 13957238 is about 240.7685892407.

The spelling of 13957238 in words is "thirteen million, nine hundred fifty-seven thousand, two hundred thirty-eight".