12166485 has 8 divisors (see below), whose sum is σ = 19466400. Its totient is φ = 6488784.

The previous prime is 12166481. The next prime is 12166493. The reversal of 12166485 is 58466121.

12166485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12166485 - 2² = 12166481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405535 + ... + 405564.

It is an arithmetic number, because the mean of its divisors is an integer number (2433300).

Almost surely, 2^12166485 is an apocalyptic number.

12166485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12166485 is a deficient number, since it is larger than the sum of its proper divisors (7299915).

12166485 is an equidigital number, since it uses as much as digits as its factorization.

12166485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811107.

The product of its digits is 11520, while the sum is 33.

The square root of 12166485 is about 3488.0488815382. The cubic root of 12166485 is about 229.9967548376.

The spelling of 12166485 in words is "twelve million, one hundred sixty-six thousand, four hundred eighty-five".