13904959 has 2 divisors, whose sum is σ = 13904960. Its totient is φ = 13904958.

The previous prime is 13904939. The next prime is 13904981. The reversal of 13904959 is 95940931.

It is a weak prime.

It is an emirp because it is prime and its reverse (95940931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13904959 - 2⁵ = 13904927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13904909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6952479 + 6952480.

It is an arithmetic number, because the mean of its divisors is an integer number (6952480).

Almost surely, 2^13904959 is an apocalyptic number.

13904959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13904959 is an equidigital number, since it uses as much as digits as its factorization.

13904959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 13904959 is about 3728.9353708532. The cubic root of 13904959 is about 240.4676010949.

The spelling of 13904959 in words is "thirteen million, nine hundred four thousand, nine hundred fifty-nine".