12528180 has 144 divisors (see below), whose sum is σ = 44413824. Its totient is φ = 2799360.

The previous prime is 12528161. The next prime is 12528181. The reversal of 12528180 is 8182521.

It is a super-2 number, since 2×12528180² = 313910588224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76779 + ... + 76941.

Almost surely, 2^12528180 is an apocalyptic number.

12528180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12528180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22206912).

12528180 is an abundant number, since it is smaller than the sum of its proper divisors (31885644).

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

12528180 is a wasteful number, since it uses less digits than its factorization.

12528180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12528180 is about 3539.5169161907. The cubic root of 12528180 is about 232.2537107532.

The spelling of 12528180 in words is "twelve million, five hundred twenty-eight thousand, one hundred eighty".