12188126 has 8 divisors (see below), whose sum is σ = 18298560. Its totient is φ = 6088608.

The previous prime is 12188123. The next prime is 12188159. The reversal of 12188126 is 62188121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (2287320).

Almost surely, 2^12188126 is an apocalyptic number.

12188126 is a deficient number, since it is larger than the sum of its proper divisors (6110434).

12188126 is a wasteful number, since it uses less digits than its factorization.

12188126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458.

The product of its digits is 1536, while the sum is 29.

The square root of 12188126 is about 3491.1496673732. The cubic root of 12188126 is about 230.1330421204.

The spelling of 12188126 in words is "twelve million, one hundred eighty-eight thousand, one hundred twenty-six".