13974831 has 24 divisors (see below), whose sum is σ = 22445696. Its totient is φ = 8320320.

The previous prime is 13974827. The next prime is 13974911. The reversal of 13974831 is 13847931.

It is a happy number.

It is not a de Polignac number, because 13974831 - 2² = 13974827 is a prime.

It is a super-2 number, since 2×13974831² = 390591802957122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701 + ... + 5553.

Almost surely, 2^13974831 is an apocalyptic number.

13974831 is a deficient number, since it is larger than the sum of its proper divisors (8470865).

13974831 is a wasteful number, since it uses less digits than its factorization.

13974831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903 (or 3900 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13974831 is about 3738.2925246695. The cubic root of 13974831 is about 240.8697091348.

The spelling of 13974831 in words is "thirteen million, nine hundred seventy-four thousand, eight hundred thirty-one".