12898128 has 40 divisors (see below), whose sum is σ = 33455200. Its totient is φ = 4281984.

The previous prime is 12898111. The next prime is 12898157. The reversal of 12898128 is 82189821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17838 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (836380).

Almost surely, 2^12898128 is an apocalyptic number.

It is an amenable number.

12898128 is an abundant number, since it is smaller than the sum of its proper divisors (20557072).

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

12898128 is a wasteful number, since it uses less digits than its factorization.

12898128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1093 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The square root of 12898128 is about 3591.3963858087. The cubic root of 12898128 is about 234.5176646798.

The spelling of 12898128 in words is "twelve million, eight hundred ninety-eight thousand, one hundred twenty-eight".