12966860 has 12 divisors (see below), whose sum is σ = 27230448. Its totient is φ = 5186736.

The previous prime is 12966859. The next prime is 12966881. The reversal of 12966860 is 6866921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324152 + ... + 324191.

It is an arithmetic number, because the mean of its divisors is an integer number (2269204).

Almost surely, 2^12966860 is an apocalyptic number.

12966860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12966860 is an abundant number, since it is smaller than the sum of its proper divisors (14263588).

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

12966860 is a wasteful number, since it uses less digits than its factorization.

12966860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648352 (or 648350 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 12966860 is about 3600.9526517298. The cubic root of 12966860 is about 234.9334955919.

The spelling of 12966860 in words is "twelve million, nine hundred sixty-six thousand, eight hundred sixty".