14931689 has 4 divisors (see below), whose sum is σ = 14950656. Its totient is φ = 14912724.

The previous prime is 14931671. The next prime is 14931703. The reversal of 14931689 is 98613941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14931689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14931629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8249 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (3737664).

Almost surely, 2^14931689 is an apocalyptic number.

It is an amenable number.

14931689 is a deficient number, since it is larger than the sum of its proper divisors (18967).

14931689 is an equidigital number, since it uses as much as digits as its factorization.

14931689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18966.

The product of its digits is 46656, while the sum is 41.

The square root of 14931689 is about 3864.1543706224. The cubic root of 14931689 is about 246.2462612057.

The spelling of 14931689 in words is "fourteen million, nine hundred thirty-one thousand, six hundred eighty-nine".