12398166 has 24 divisors (see below), whose sum is σ = 29305224. Its totient is φ = 3756960.

The previous prime is 12398159. The next prime is 12398179. The reversal of 12398166 is 66189321.

It is a self number, because there is not a number n which added to its sum of digits gives 12398166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31111 + ... + 31506.

It is an arithmetic number, because the mean of its divisors is an integer number (1221051).

Almost surely, 2^12398166 is an apocalyptic number.

12398166 is an abundant number, since it is smaller than the sum of its proper divisors (16907058).

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

12398166 is a wasteful number, since it uses less digits than its factorization.

12398166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62636 (or 62633 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12398166 is about 3521.1029522012. The cubic root of 12398166 is about 231.4474937170.

It can be divided in two parts, 123 and 98166, that added together give a palindrome (98289).

The spelling of 12398166 in words is "twelve million, three hundred ninety-eight thousand, one hundred sixty-six".