12910198 has 32 divisors (see below), whose sum is σ = 23113728. Its totient is φ = 5292000.

The previous prime is 12910193. The next prime is 12910201. The reversal of 12910198 is 89101921.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65436 + ... + 65632.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

Almost surely, 2^12910198 is an apocalyptic number.

12910198 is a deficient number, since it is larger than the sum of its proper divisors (10203530).

12910198 is a wasteful number, since it uses less digits than its factorization.

12910198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 12910198 is about 3593.0763977405. The cubic root of 12910198 is about 234.5907953364.

The spelling of 12910198 in words is "twelve million, nine hundred ten thousand, one hundred ninety-eight".