12166790 has 16 divisors (see below), whose sum is σ = 22178880. Its totient is φ = 4804800.

The previous prime is 12166771. The next prime is 12166799. The reversal of 12166790 is 9766121.

12166790 = 98² + 99² + ... + 334².

It is a happy number.

12166790 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 (12166799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6911 + ... + 8490.

It is an arithmetic number, because the mean of its divisors is an integer number (1386180).

Almost surely, 2^12166790 is an apocalyptic number.

12166790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12166790 is a deficient number, since it is larger than the sum of its proper divisors (10012090).

12166790 is a wasteful number, since it uses less digits than its factorization.

12166790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12166790 is about 3488.0926019818. The cubic root of 12166790 is about 229.9986767410.

The spelling of 12166790 in words is "twelve million, one hundred sixty-six thousand, seven hundred ninety".