12186126 has 20 divisors (see below), whose sum is σ = 27306312. Its totient is φ = 4061988.

The previous prime is 12186107. The next prime is 12186137. The reversal of 12186126 is 62168121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12186126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37450 + ... + 37773.

Almost surely, 2^12186126 is an apocalyptic number.

12186126 is an abundant number, since it is smaller than the sum of its proper divisors (15120186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12186126 is an equidigital number, since it uses as much as digits as its factorization.

12186126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75237 (or 75228 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12186126 is about 3490.8632170281. The cubic root of 12186126 is about 230.1204536042.

The spelling of 12186126 in words is "twelve million, one hundred eighty-six thousand, one hundred twenty-six".