13904273 has 4 divisors (see below), whose sum is σ = 13966848. Its totient is φ = 13841700.

The previous prime is 13904263. The next prime is 13904281. The reversal of 13904273 is 37240931.

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 not a de Polignac number, because 13904273 - 2⁸ = 13904017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13904263) 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, 30953 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (3491712).

Almost surely, 2^13904273 is an apocalyptic number.

It is an amenable number.

13904273 is a deficient number, since it is larger than the sum of its proper divisors (62575).

13904273 is an equidigital number, since it uses as much as digits as its factorization.

13904273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62574.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13904273 is about 3728.8433863599. The cubic root of 13904273 is about 240.4636465468.

The spelling of 13904273 in words is "thirteen million, nine hundred four thousand, two hundred seventy-three".