13974131 has 2 divisors, whose sum is σ = 13974132. Its totient is φ = 13974130.

The previous prime is 13974067. The next prime is 13974151. The reversal of 13974131 is 13147931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13974131 - 2⁶ = 13974067 is a prime.

It is a super-2 number, since 2×13974131² = 390552674410322, which contains 22 as substring.

It is equal to p₉₀₈₅₂₅ and since 13974131 and 908525 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13974094 and 13974103.

It is not a weakly prime, because it can be changed into another prime (13974151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987065 + 6987066.

It is an arithmetic number, because the mean of its divisors is an integer number (6987066).

Almost surely, 2^13974131 is an apocalyptic number.

13974131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974131 is an equidigital number, since it uses as much as digits as its factorization.

13974131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 13974131 is about 3738.1988978651. The cubic root of 13974131 is about 240.8656873423.

The spelling of 13974131 in words is "thirteen million, nine hundred seventy-four thousand, one hundred thirty-one".