12255198 has 32 divisors (see below), whose sum is σ = 26171424. Its totient is φ = 3812352.

The previous prime is 12255179. The next prime is 12255227. The reversal of 12255198 is 89155221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13536 + ... + 14412.

It is an arithmetic number, because the mean of its divisors is an integer number (817857).

Almost surely, 2^12255198 is an apocalyptic number.

12255198 is an abundant number, since it is smaller than the sum of its proper divisors (13916226).

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

12255198 is a wasteful number, since it uses less digits than its factorization.

12255198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 7200, while the sum is 33.

The square root of 12255198 is about 3500.7424926721. The cubic root of 12255198 is about 230.5544154995.

The spelling of 12255198 in words is "twelve million, two hundred fifty-five thousand, one hundred ninety-eight".