12056166 has 12 divisors (see below), whose sum is σ = 26121732. Its totient is φ = 4018716.

The previous prime is 12056153. The next prime is 12056167. The reversal of 12056166 is 66165021.

It is a happy number.

It is a super-2 number, since 2×12056166² = 290702277239112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056167) 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, 334876 + ... + 334911.

It is an arithmetic number, because the mean of its divisors is an integer number (2176811).

Almost surely, 2^12056166 is an apocalyptic number.

12056166 is an abundant number, since it is smaller than the sum of its proper divisors (14065566).

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

12056166 is a wasteful number, since it uses less digits than its factorization.

12056166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669795 (or 669792 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12056166 is about 3472.1990150336. The cubic root of 12056166 is about 229.2994816817.

The spelling of 12056166 in words is "twelve million, fifty-six thousand, one hundred sixty-six".