13904867 has 4 divisors (see below), whose sum is σ = 14228280. Its totient is φ = 13581456.

The previous prime is 13904843. The next prime is 13904887. The reversal of 13904867 is 76840931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13904867 - 2¹⁰ = 13903843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13904867.

It is not an unprimeable number, because it can be changed into a prime (13904837) 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 in 3 ways as a sum of consecutive naturals, for example, 161642 + ... + 161727.

It is an arithmetic number, because the mean of its divisors is an integer number (3557070).

Almost surely, 2^13904867 is an apocalyptic number.

13904867 is a deficient number, since it is larger than the sum of its proper divisors (323413).

13904867 is an equidigital number, since it uses as much as digits as its factorization.

13904867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323412.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13904867 is about 3728.9230348721. The cubic root of 13904867 is about 240.4670707549.

The spelling of 13904867 in words is "thirteen million, nine hundred four thousand, eight hundred sixty-seven".