12490198 has 24 divisors (see below), whose sum is σ = 21927672. Its totient is φ = 5320224.

The previous prime is 12490187. The next prime is 12490237. The reversal of 12490198 is 89109421.

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, 22561 + ... + 23107.

It is an arithmetic number, because the mean of its divisors is an integer number (913653).

Almost surely, 2^12490198 is an apocalyptic number.

12490198 is a deficient number, since it is larger than the sum of its proper divisors (9437474).

12490198 is a wasteful number, since it uses less digits than its factorization.

12490198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12490198 is about 3534.1474219393. The cubic root of 12490198 is about 232.0187633457.

The spelling of 12490198 in words is "twelve million, four hundred ninety thousand, one hundred ninety-eight".