12168660 has 72 divisors (see below), whose sum is σ = 39644640. Its totient is φ = 2780736.

The previous prime is 12168643. The next prime is 12168697. The reversal of 12168660 is 6686121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871 + ... + 5009.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 2^12168660 is an apocalyptic number.

12168660 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 12168660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19822320).

12168660 is an abundant number, since it is smaller than the sum of its proper divisors (27475980).

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

12168660 is a wasteful number, since it uses less digits than its factorization.

12168660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4156 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12168660 is about 3488.3606464928. The cubic root of 12168660 is about 230.0104595117.

The spelling of 12168660 in words is "twelve million, one hundred sixty-eight thousand, six hundred sixty".