13504323 has 16 divisors (see below), whose sum is σ = 20629760. Its totient is φ = 7697376.

The previous prime is 13504301. The next prime is 13504331. The reversal of 13504323 is 32340531.

13504323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13504323 - 2⁶ = 13504259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 13504323.

It is not an unprimeable number, because it can be changed into a prime (13504423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14436 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (1289360).

Almost surely, 2^13504323 is an apocalyptic number.

13504323 is a deficient number, since it is larger than the sum of its proper divisors (7125437).

13504323 is an equidigital number, since it uses as much as digits as its factorization.

13504323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13504323 is about 3674.8228528733. The cubic root of 13504323 is about 238.1355711374.

Adding to 13504323 its reverse (32340531), we get a palindrome (45844854).

The spelling of 13504323 in words is "thirteen million, five hundred four thousand, three hundred twenty-three".