13504233 has 4 divisors (see below), whose sum is σ = 18005648. Its totient is φ = 9002820.

The previous prime is 13504219. The next prime is 13504259. The reversal of 13504233 is 33240531.

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 not a de Polignac number, because 13504233 - 2⁸ = 13503977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13504033) 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, 2250703 + ... + 2250708.

It is an arithmetic number, because the mean of its divisors is an integer number (4501412).

Almost surely, 2^13504233 is an apocalyptic number.

It is an amenable number.

13504233 is a deficient number, since it is larger than the sum of its proper divisors (4501415).

13504233 is an equidigital number, since it uses as much as digits as its factorization.

13504233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501414.

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

The square root of 13504233 is about 3674.8106073647. The cubic root of 13504233 is about 238.1350421155.

Adding to 13504233 its reverse (33240531), we get a palindrome (46744764).

The spelling of 13504233 in words is "thirteen million, five hundred four thousand, two hundred thirty-three".