12666060 has 72 divisors (see below), whose sum is σ = 41919696. Its totient is φ = 3070080.

The previous prime is 12666047. The next prime is 12666067. The reversal of 12666060 is 6066621.

It is not an unprimeable number, because it can be changed into a prime (12666067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1219 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (582218).

Almost surely, 2^12666060 is an apocalyptic number.

12666060 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 12666060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20959848).

12666060 is an abundant number, since it is smaller than the sum of its proper divisors (29253636).

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

12666060 is a wasteful number, since it uses less digits than its factorization.

12666060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12666060 is about 3558.9408536810. The cubic root of 12666060 is about 233.1026336574.

The spelling of 12666060 in words is "twelve million, six hundred sixty-six thousand, sixty".