12002198 has 16 divisors (see below), whose sum is σ = 19592160. Its totient is φ = 5481216.

The previous prime is 12002189. The next prime is 12002209. The reversal of 12002198 is 89120021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (1224510).

Almost surely, 2^12002198 is an apocalyptic number.

12002198 is a deficient number, since it is larger than the sum of its proper divisors (7589962).

12002198 is a wasteful number, since it uses less digits than its factorization.

12002198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12002198 is about 3464.4188545844. The cubic root of 12002198 is about 228.9568258901.

The spelling of 12002198 in words is "twelve million, two thousand, one hundred ninety-eight".