12225165 has 16 divisors (see below), whose sum is σ = 19651200. Its totient is φ = 6489792.

The previous prime is 12225149. The next prime is 12225179. The reversal of 12225165 is 56152221.

It is a happy number.

12225165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12225165 - 2⁴ = 12225149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (1228200).

Almost surely, 2^12225165 is an apocalyptic number.

12225165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12225165 is a deficient number, since it is larger than the sum of its proper divisors (7426035).

12225165 is a wasteful number, since it uses less digits than its factorization.

12225165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796.

The product of its digits is 1200, while the sum is 24.

The square root of 12225165 is about 3496.4503428477. The cubic root of 12225165 is about 230.3659266440.

Adding to 12225165 its reverse (56152221), we get a palindrome (68377386).

The spelling of 12225165 in words is "twelve million, two hundred twenty-five thousand, one hundred sixty-five".