12198660 has 24 divisors (see below), whose sum is σ = 34156416. Its totient is φ = 3252960.

The previous prime is 12198653. The next prime is 12198677. The reversal of 12198660 is 6689121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101596 + ... + 101715.

It is an arithmetic number, because the mean of its divisors is an integer number (1423184).

Almost surely, 2^12198660 is an apocalyptic number.

12198660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12198660 is an abundant number, since it is smaller than the sum of its proper divisors (21957756).

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

12198660 is a wasteful number, since it uses less digits than its factorization.

12198660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203323 (or 203321 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12198660 is about 3492.6580136051. The cubic root of 12198660 is about 230.1993231165.

The spelling of 12198660 in words is "twelve million, one hundred ninety-eight thousand, six hundred sixty".