12898180 has 12 divisors (see below), whose sum is σ = 27086220. Its totient is φ = 5159264.

The previous prime is 12898157. The next prime is 12898183. The reversal of 12898180 is 8189821.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 2709316 = 3192^2 + 1646^2 .

It is not an unprimeable number, because it can be changed into a prime (12898183) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 322435 + ... + 322474.

It is an arithmetic number, because the mean of its divisors is an integer number (2257185).

Almost surely, 2^12898180 is an apocalyptic number.

12898180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12898180 is an abundant number, since it is smaller than the sum of its proper divisors (14188040).

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

12898180 is a wasteful number, since it uses less digits than its factorization.

12898180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644918 (or 644916 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 12898180 is about 3591.4036253253. The cubic root of 12898180 is about 234.5179798393.

The spelling of 12898180 in words is "twelve million, eight hundred ninety-eight thousand, one hundred eighty".