12192898 has 16 divisors (see below), whose sum is σ = 19351296. Its totient is φ = 5749920.

The previous prime is 12192883. The next prime is 12192899. The reversal of 12192898 is 89829121.

It is a self number, because there is not a number n which added to its sum of digits gives 12192898.

It is not an unprimeable number, because it can be changed into a prime (12192899) 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, 1543 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1209456).

Almost surely, 2^12192898 is an apocalyptic number.

12192898 is a deficient number, since it is larger than the sum of its proper divisors (7158398).

12192898 is a wasteful number, since it uses less digits than its factorization.

12192898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729.

The product of its digits is 20736, while the sum is 40.

The square root of 12192898 is about 3491.8330429733. The cubic root of 12192898 is about 230.1630727579.

The spelling of 12192898 in words is "twelve million, one hundred ninety-two thousand, eight hundred ninety-eight".