12166208 has 14 divisors (see below), whose sum is σ = 24142446. Its totient is φ = 6083072.

The previous prime is 12166207. The next prime is 12166243. The reversal of 12166208 is 80266121.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 64 = 3488^2 + 8^2 .

It is not an unprimeable number, because it can be changed into a prime (12166201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94985 + ... + 95112.

Almost surely, 2^12166208 is an apocalyptic number.

It is an amenable number.

12166208 is a deficient number, since it is larger than the sum of its proper divisors (11976238).

12166208 is an equidigital number, since it uses as much as digits as its factorization.

12166208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190109 (or 190099 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12166208 is about 3488.0091742999. The cubic root of 12166208 is about 229.9950093435.

The spelling of 12166208 in words is "twelve million, one hundred sixty-six thousand, two hundred eight".