12168925 has 6 divisors (see below), whose sum is σ = 15089498. Its totient is φ = 9735120.

The previous prime is 12168917. The next prime is 12168929. The reversal of 12168925 is 52986121.

It can be written as a sum of positive squares in 3 ways, for example, as 37636 + 12131289 = 194^2 + 3483^2 .

It is not a de Polignac number, because 12168925 - 2³ = 12168917 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 (12168929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243354 + ... + 243403.

Almost surely, 2^12168925 is an apocalyptic number.

It is an amenable number.

12168925 is a deficient number, since it is larger than the sum of its proper divisors (2920573).

12168925 is an equidigital number, since it uses as much as digits as its factorization.

12168925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486767 (or 486762 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 12168925 is about 3488.3986297440. The cubic root of 12168925 is about 230.0121291650.

The spelling of 12168925 in words is "twelve million, one hundred sixty-eight thousand, nine hundred twenty-five".