13240233 has 16 divisors (see below), whose sum is σ = 19939200. Its totient is φ = 8681040.

The previous prime is 13240231. The next prime is 13240291. The reversal of 13240233 is 33204231.

It is not a de Polignac number, because 13240233 - 2¹ = 13240231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13240231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (1246200).

Almost surely, 2^13240233 is an apocalyptic number.

It is an amenable number.

13240233 is a deficient number, since it is larger than the sum of its proper divisors (6698967).

13240233 is an equidigital number, since it uses as much as digits as its factorization.

13240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13240233 is about 3638.7130966868. The cubic root of 13240233 is about 236.5730174564.

Adding to 13240233 its reverse (33204231), we get a palindrome (46444464).

The spelling of 13240233 in words is "thirteen million, two hundred forty thousand, two hundred thirty-three".