12225595 has 4 divisors (see below), whose sum is σ = 14670720. Its totient is φ = 9780472.

The previous prime is 12225553. The next prime is 12225611. The reversal of 12225595 is 59552221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59552221 = 23 ⋅2589227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12225595 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222555 + ... + 1222564.

It is an arithmetic number, because the mean of its divisors is an integer number (3667680).

Almost surely, 2^12225595 is an apocalyptic number.

12225595 is a deficient number, since it is larger than the sum of its proper divisors (2445125).

12225595 is an equidigital number, since it uses as much as digits as its factorization.

12225595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445124.

The product of its digits is 9000, while the sum is 31.

The square root of 12225595 is about 3496.5118332418. The cubic root of 12225595 is about 230.3686275261.

The spelling of 12225595 in words is "twelve million, two hundred twenty-five thousand, five hundred ninety-five".