12381198 has 32 divisors (see below), whose sum is σ = 26471040. Its totient is φ = 3849120.

The previous prime is 12381169. The next prime is 12381223. The reversal of 12381198 is 89118321.

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 15 ways as a sum of consecutive naturals, for example, 6828 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (827220).

Almost surely, 2^12381198 is an apocalyptic number.

12381198 is an abundant number, since it is smaller than the sum of its proper divisors (14089842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12381198 is a wasteful number, since it uses less digits than its factorization.

12381198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its digits is 3456, while the sum is 33.

The square root of 12381198 is about 3518.6926549501. The cubic root of 12381198 is about 231.3418599749.

The spelling of 12381198 in words is "twelve million, three hundred eighty-one thousand, one hundred ninety-eight".