12198082 has 24 divisors (see below), whose sum is σ = 20027520. Its totient is φ = 5569200.

The previous prime is 12198079. The next prime is 12198083. The reversal of 12198082 is 28089121.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12198083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50919 + ... + 51157.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^12198082 is an apocalyptic number.

12198082 is a deficient number, since it is larger than the sum of its proper divisors (7829438).

12198082 is a wasteful number, since it uses less digits than its factorization.

12198082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12198082 is about 3492.5752676213. The cubic root of 12198082 is about 230.1956872715.

The spelling of 12198082 in words is "twelve million, one hundred ninety-eight thousand, eighty-two".