12188025 has 36 divisors (see below), whose sum is σ = 22987120. Its totient is φ = 6156000.

The previous prime is 12188021. The next prime is 12188027. The reversal of 12188025 is 52088121.

It is not a de Polignac number, because 12188025 - 2² = 12188021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12188025.

It is not an unprimeable number, because it can be changed into a prime (12188021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2850 + ... + 5700.

Almost surely, 2^12188025 is an apocalyptic number.

12188025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12188025 is a deficient number, since it is larger than the sum of its proper divisors (10799095).

12188025 is a wasteful number, since it uses less digits than its factorization.

12188025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2878 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12188025 is about 3491.1352021943. The cubic root of 12188025 is about 230.1324064333.

The spelling of 12188025 in words is "twelve million, one hundred eighty-eight thousand, twenty-five".