12293198 has 8 divisors (see below), whose sum is σ = 18630192. Its totient is φ = 6083136.

The previous prime is 12293189. The next prime is 12293221. The reversal of 12293198 is 89139221.

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

It is a super-2 number, since 2×12293198² = 302245434134408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31490 + ... + 31877.

It is an arithmetic number, because the mean of its divisors is an integer number (2328774).

Almost surely, 2^12293198 is an apocalyptic number.

12293198 is a deficient number, since it is larger than the sum of its proper divisors (6336994).

12293198 is an equidigital number, since it uses as much as digits as its factorization.

12293198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63466.

The product of its digits is 7776, while the sum is 35.

The square root of 12293198 is about 3506.1657119994. The cubic root of 12293198 is about 230.7924649142.

The spelling of 12293198 in words is "twelve million, two hundred ninety-three thousand, one hundred ninety-eight".