13323229 has 4 divisors (see below), whose sum is σ = 13397020. Its totient is φ = 13249440.

The previous prime is 13323227. The next prime is 13323251. The reversal of 13323229 is 92232331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92232331 = 853 ⋅108127.

It can be written as a sum of positive squares in 2 ways, for example, as 168100 + 13155129 = 410^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323229 - 2¹ = 13323227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323227) 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, 36624 + ... + 36985.

It is an arithmetic number, because the mean of its divisors is an integer number (3349255).

Almost surely, 2^13323229 is an apocalyptic number.

It is an amenable number.

13323229 is a deficient number, since it is larger than the sum of its proper divisors (73791).

13323229 is an equidigital number, since it uses as much as digits as its factorization.

13323229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73790.

The product of its digits is 1944, while the sum is 25.

The square root of 13323229 is about 3650.0998616476. The cubic root of 13323229 is about 237.0663051024.

It can be divided in two parts, 1332322 and 9, that added together give a palindrome (1332331).

The spelling of 13323229 in words is "thirteen million, three hundred twenty-three thousand, two hundred twenty-nine".