13223265 has 16 divisors (see below), whose sum is σ = 23080896. Its totient is φ = 6411200.

The previous prime is 13223239. The next prime is 13223269. The reversal of 13223265 is 56232231.

It is not a de Polignac number, because 13223265 - 2⁶ = 13223201 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13223269) 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, 39906 + ... + 40235.

It is an arithmetic number, because the mean of its divisors is an integer number (1442556).

Almost surely, 2^13223265 is an apocalyptic number.

13223265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13223265 is a deficient number, since it is larger than the sum of its proper divisors (9857631).

13223265 is a wasteful number, since it uses less digits than its factorization.

13223265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80160.

The product of its digits is 2160, while the sum is 24.

The square root of 13223265 is about 3636.3807556415. The cubic root of 13223265 is about 236.4719143271.

Adding to 13223265 its reverse (56232231), we get a palindrome (69455496).

The spelling of 13223265 in words is "thirteen million, two hundred twenty-three thousand, two hundred sixty-five".