12188625 has 16 divisors (see below), whose sum is σ = 20282496. Its totient is φ = 6500400.

The previous prime is 12188623. The next prime is 12188629. The reversal of 12188625 is 52688121.

It is not a de Polignac number, because 12188625 - 2¹ = 12188623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12188621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15877 + ... + 16626.

It is an arithmetic number, because the mean of its divisors is an integer number (1267656).

Almost surely, 2^12188625 is an apocalyptic number.

12188625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12188625 is a deficient number, since it is larger than the sum of its proper divisors (8093871).

12188625 is an equidigital number, since it uses as much as digits as its factorization.

12188625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32521 (or 32511 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 12188625 is about 3491.2211330708. The cubic root of 12188625 is about 230.1361827405.

The spelling of 12188625 in words is "twelve million, one hundred eighty-eight thousand, six hundred twenty-five".