12231198 has 24 divisors (see below), whose sum is σ = 30287088. Its totient is φ = 3494592.

The previous prime is 12231169. The next prime is 12231203. The reversal of 12231198 is 89113221.

12231198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 48411 + ... + 48662.

It is an arithmetic number, because the mean of its divisors is an integer number (1261962).

Almost surely, 2^12231198 is an apocalyptic number.

12231198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12231198 is an abundant number, since it is smaller than the sum of its proper divisors (18055890).

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

12231198 is a wasteful number, since it uses less digits than its factorization.

12231198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97088 (or 97085 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 12231198 is about 3497.3129685517. The cubic root of 12231198 is about 230.4038148602.

The spelling of 12231198 in words is "twelve million, two hundred thirty-one thousand, one hundred ninety-eight".