13331233 has 4 divisors (see below), whose sum is σ = 13354308. Its totient is φ = 13308160.

The previous prime is 13331231. The next prime is 13331239. The reversal of 13331233 is 33213331.

13331233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 9690769 = 1908^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331233 - 2¹ = 13331231 is a prime.

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 13331233.

It is not an unprimeable number, because it can be changed into a prime (13331231) 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, 10648 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (3338577).

Almost surely, 2^13331233 is an apocalyptic number.

It is an amenable number.

13331233 is a deficient number, since it is larger than the sum of its proper divisors (23075).

13331233 is an equidigital number, since it uses as much as digits as its factorization.

13331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23074.

The product of its digits is 486, while the sum is 19.

The square root of 13331233 is about 3651.1961053879. The cubic root of 13331233 is about 237.1137685429.

Adding to 13331233 its reverse (33213331), we get a palindrome (46544564).

The spelling of 13331233 in words is "thirteen million, three hundred thirty-one thousand, two hundred thirty-three".