12560660 has 48 divisors (see below), whose sum is σ = 30777600. Its totient is φ = 4304160.

The previous prime is 12560641. The next prime is 12560677. The reversal of 12560660 is 6606521.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5945 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (641200).

Almost surely, 2^12560660 is an apocalyptic number.

12560660 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 12560660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15388800).

12560660 is an abundant number, since it is smaller than the sum of its proper divisors (18216940).

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

12560660 is a wasteful number, since it uses less digits than its factorization.

12560660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12560660 is about 3544.1021429976. The cubic root of 12560660 is about 232.4542477514.

The spelling of 12560660 in words is "twelve million, five hundred sixty thousand, six hundred sixty".