12305198 has 16 divisors (see below), whose sum is σ = 19680000. Its totient is φ = 5753592.

The previous prime is 12305197. The next prime is 12305213. The reversal of 12305198 is 89150321.

It is a self number, because there is not a number n which added to its sum of digits gives 12305198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305191) 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, 953 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (1230000).

Almost surely, 2^12305198 is an apocalyptic number.

12305198 is a deficient number, since it is larger than the sum of its proper divisors (7374802).

12305198 is a wasteful number, since it uses less digits than its factorization.

12305198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12305198 is about 3507.8765656733. The cubic root of 12305198 is about 230.8675364813.

The spelling of 12305198 in words is "twelve million, three hundred five thousand, one hundred ninety-eight".