12660180 has 48 divisors (see below), whose sum is σ = 38177664. Its totient is φ = 3116160.

The previous prime is 12660173. The next prime is 12660191. The reversal of 12660180 is 8106621.

It is a self number, because there is not a number n which added to its sum of digits gives 12660180.

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 15 ways as a sum of consecutive naturals, for example, 7336 + ... + 8895.

It is an arithmetic number, because the mean of its divisors is an integer number (795368).

Almost surely, 2^12660180 is an apocalyptic number.

12660180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12660180 is an abundant number, since it is smaller than the sum of its proper divisors (25517484).

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

12660180 is a wasteful number, since it uses less digits than its factorization.

12660180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256 (or 16254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 12660180 is about 3558.1146693158. The cubic root of 12660180 is about 233.0665567811.

It can be divided in two parts, 126 and 60180, that added together give a palindrome (60306).

The spelling of 12660180 in words is "twelve million, six hundred sixty thousand, one hundred eighty".