12115198 has 16 divisors (see below), whose sum is σ = 19232640. Its totient is φ = 5707800.

The previous prime is 12115193. The next prime is 12115199. The reversal of 12115198 is 89151121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7263 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^12115198 is an apocalyptic number.

12115198 is a deficient number, since it is larger than the sum of its proper divisors (7117442).

12115198 is a wasteful number, since it uses less digits than its factorization.

12115198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 720, while the sum is 28.

The square root of 12115198 is about 3480.6892995497. The cubic root of 12115198 is about 229.6731210367.

The spelling of 12115198 in words is "twelve million, one hundred fifteen thousand, one hundred ninety-eight".