12166807 has 8 divisors (see below), whose sum is σ = 12582416. Its totient is φ = 11757312.

The previous prime is 12166801. The next prime is 12166811. The reversal of 12166807 is 70866121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12166807 - 2³ = 12166799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166801) 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, 2713 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (1572802).

Almost surely, 2^12166807 is an apocalyptic number.

12166807 is a deficient number, since it is larger than the sum of its proper divisors (415609).

12166807 is an equidigital number, since it uses as much as digits as its factorization.

12166807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12166807 is about 3488.0950388428. The cubic root of 12166807 is about 229.9987838625.

The spelling of 12166807 in words is "twelve million, one hundred sixty-six thousand, eight hundred seven".