12510198 has 24 divisors (see below), whose sum is σ = 28700568. Its totient is φ = 3924672.

The previous prime is 12510193. The next prime is 12510209. The reversal of 12510198 is 89101521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20136 + ... + 20747.

It is an arithmetic number, because the mean of its divisors is an integer number (1195857).

Almost surely, 2^12510198 is an apocalyptic number.

12510198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12510198 is an abundant number, since it is smaller than the sum of its proper divisors (16190370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12510198 is a wasteful number, since it uses less digits than its factorization.

12510198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40908 (or 40905 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 12510198 is about 3536.9758268894. The cubic root of 12510198 is about 232.1425377555.

The spelling of 12510198 in words is "twelve million, five hundred ten thousand, one hundred ninety-eight".