13904453 has 8 divisors (see below), whose sum is σ = 15082200. Its totient is φ = 12766720.

The previous prime is 13904413. The next prime is 13904459. The reversal of 13904453 is 35440931.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 13890529 = 118^2 + 3727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13904453 - 2¹⁰ = 13903429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9278 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (1885275).

Almost surely, 2^13904453 is an apocalyptic number.

It is an amenable number.

13904453 is a deficient number, since it is larger than the sum of its proper divisors (1177747).

13904453 is a wasteful number, since it uses less digits than its factorization.

13904453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13904453 is about 3728.8675224524. The cubic root of 13904453 is about 240.4646841959.

The spelling of 13904453 in words is "thirteen million, nine hundred four thousand, four hundred fifty-three".