12175225 has 12 divisors (see below), whose sum is σ = 15149824. Its totient is φ = 9706320.

The previous prime is 12175223. The next prime is 12175231. The reversal of 12175225 is 52257121.

It is not a de Polignac number, because 12175225 - 2¹ = 12175223 is a prime.

It is a super-2 number, since 2×12175225² = 296472207601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 12175225.

It is not an unprimeable number, because it can be changed into a prime (12175223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8512 + ... + 9838.

Almost surely, 2^12175225 is an apocalyptic number.

It is an amenable number.

12175225 is a deficient number, since it is larger than the sum of its proper divisors (2974599).

12175225 is a wasteful number, since it uses less digits than its factorization.

12175225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1699 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 12175225 is about 3489.3015060324. The cubic root of 12175225 is about 230.0518156730.

The spelling of 12175225 in words is "twelve million, one hundred seventy-five thousand, two hundred twenty-five".