13223233 has 4 divisors (see below), whose sum is σ = 13272660. Its totient is φ = 13173808.

The previous prime is 13223213. The next prime is 13223237. The reversal of 13223233 is 33232231.

It is a happy number.

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 3908529 + 9314704 = 1977^2 + 3052^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223233 - 2⁵ = 13223201 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 13223233.

It is not an unprimeable number, because it can be changed into a prime (13223237) 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, 24310 + ... + 24847.

It is an arithmetic number, because the mean of its divisors is an integer number (3318165).

Almost surely, 2^13223233 is an apocalyptic number.

It is an amenable number.

13223233 is a deficient number, since it is larger than the sum of its proper divisors (49427).

13223233 is an equidigital number, since it uses as much as digits as its factorization.

13223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49426.

The product of its digits is 648, while the sum is 19.

The square root of 13223233 is about 3636.3763556596. The cubic root of 13223233 is about 236.4717235747.

Adding to 13223233 its reverse (33232231), we get a palindrome (46455464).

It can be divided in two parts, 13223 and 233, that added together give a square (13456 = 116²).

The spelling of 13223233 in words is "thirteen million, two hundred twenty-three thousand, two hundred thirty-three".