12159966 has 32 divisors (see below), whose sum is σ = 29933568. Its totient is φ = 3206880.

The previous prime is 12159941. The next prime is 12159977. The reversal of 12159966 is 66995121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10590 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (935424).

Almost surely, 2^12159966 is an apocalyptic number.

12159966 is an abundant number, since it is smaller than the sum of its proper divisors (17773602).

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

12159966 is a wasteful number, since it uses less digits than its factorization.

12159966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296.

The product of its digits is 29160, while the sum is 39.

The square root of 12159966 is about 3487.1142797448. The cubic root of 12159966 is about 229.9556688347.

The spelling of 12159966 in words is "twelve million, one hundred fifty-nine thousand, nine hundred sixty-six".