13040233 has 4 divisors (see below), whose sum is σ = 13143040. Its totient is φ = 12937428.

The previous prime is 13040231. The next prime is 13040257. The reversal of 13040233 is 33204031.

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 13040233 - 2¹ = 13040231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13040231) 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, 51213 + ... + 51466.

It is an arithmetic number, because the mean of its divisors is an integer number (3285760).

Almost surely, 2^13040233 is an apocalyptic number.

It is an amenable number.

13040233 is a deficient number, since it is larger than the sum of its proper divisors (102807).

13040233 is a wasteful number, since it uses less digits than its factorization.

13040233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102806.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13040233 is about 3611.1262786006. The cubic root of 13040233 is about 235.3757862691.

Adding to 13040233 its reverse (33204031), we get a palindrome (46244264).

The spelling of 13040233 in words is "thirteen million, forty thousand, two hundred thirty-three".