12198244 has 12 divisors (see below), whose sum is σ = 21396844. Its totient is φ = 6084864.

The previous prime is 12198229. The next prime is 12198259. The reversal of 12198244 is 44289121.

It is an interprime number because it is at equal distance from previous prime (12198229) and next prime (12198259).

It can be written as a sum of positive squares in 2 ways, for example, as 4972900 + 7225344 = 2230^2 + 2688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509 + ... + 5164.

Almost surely, 2^12198244 is an apocalyptic number.

It is an amenable number.

12198244 is a deficient number, since it is larger than the sum of its proper divisors (9198600).

12198244 is a wasteful number, since it uses less digits than its factorization.

12198244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7132 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 12198244 is about 3492.5984596000. The cubic root of 12198244 is about 230.1967063261.

The spelling of 12198244 in words is "twelve million, one hundred ninety-eight thousand, two hundred forty-four".