12290198 has 16 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 5906280.

The previous prime is 12290197. The next prime is 12290203. The reversal of 12290198 is 89109221.

It is a happy number.

12290198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290197) 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, 9761 + ... + 10947.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504).

Almost surely, 2^12290198 is an apocalyptic number.

12290198 is a deficient number, since it is larger than the sum of its proper divisors (6869866).

12290198 is a wasteful number, since it uses less digits than its factorization.

12290198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12290198 is about 3505.7378681242. The cubic root of 12290198 is about 230.7736893896.

The spelling of 12290198 in words is "twelve million, two hundred ninety thousand, one hundred ninety-eight".