14688931 has 2 divisors, whose sum is σ = 14688932. Its totient is φ = 14688930.

The previous prime is 14688923. The next prime is 14688937. The reversal of 14688931 is 13988641.

It is a strong prime.

It is an emirp because it is prime and its reverse (13988641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14688931 - 2³ = 14688923 is a prime.

It is a super-2 number, since 2×14688931² = 431529387845522, which contains 22 as substring.

It is equal to p₉₅₁₈₉₈ and since 14688931 and 951898 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14688937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7344465 + 7344466.

It is an arithmetic number, because the mean of its divisors is an integer number (7344466).

Almost surely, 2^14688931 is an apocalyptic number.

14688931 is a deficient number, since it is larger than the sum of its proper divisors (1).

14688931 is an equidigital number, since it uses as much as digits as its factorization.

14688931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 14688931 is about 3832.6141209363. The cubic root of 14688931 is about 244.9044803261.

The spelling of 14688931 in words is "fourteen million, six hundred eighty-eight thousand, nine hundred thirty-one".