12166456 has 16 divisors (see below), whose sum is σ = 22849200. Its totient is φ = 6073344.

The previous prime is 12166447. The next prime is 12166459. The reversal of 12166456 is 65466121.

12166456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8565 + ... + 9883.

It is an arithmetic number, because the mean of its divisors is an integer number (1428075).

Almost surely, 2^12166456 is an apocalyptic number.

It is an amenable number.

12166456 is a deficient number, since it is larger than the sum of its proper divisors (10682744).

12166456 is a wasteful number, since it uses less digits than its factorization.

12166456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2474 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 12166456 is about 3488.0447244839. The cubic root of 12166456 is about 229.9965720976.

The spelling of 12166456 in words is "twelve million, one hundred sixty-six thousand, four hundred fifty-six".