12113198 has 8 divisors (see below), whose sum is σ = 18441192. Its totient is φ = 5966136.

The previous prime is 12113191. The next prime is 12113201. The reversal of 12113198 is 89131121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113191) by changing a digit.

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, 45065 + ... + 45332.

It is an arithmetic number, because the mean of its divisors is an integer number (2305149).

Almost surely, 2^12113198 is an apocalyptic number.

12113198 is a deficient number, since it is larger than the sum of its proper divisors (6327994).

12113198 is an equidigital number, since it uses as much as digits as its factorization.

12113198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90466.

The product of its digits is 432, while the sum is 26.

The square root of 12113198 is about 3480.4019882766. The cubic root of 12113198 is about 229.6604820489.

The spelling of 12113198 in words is "twelve million, one hundred thirteen thousand, one hundred ninety-eight".