12943660 has 24 divisors (see below), whose sum is σ = 27696816. Its totient is φ = 5079360.

The previous prime is 12943639. The next prime is 12943691. The reversal of 12943660 is 6634921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046 + ... + 7165.

It is an arithmetic number, because the mean of its divisors is an integer number (1154034).

Almost surely, 2^12943660 is an apocalyptic number.

12943660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12943660 is an abundant number, since it is smaller than the sum of its proper divisors (14753156).

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

12943660 is a wasteful number, since it uses less digits than its factorization.

12943660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12273 (or 12271 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 12943660 is about 3597.7298397740. The cubic root of 12943660 is about 234.7932994575.

The spelling of 12943660 in words is "twelve million, nine hundred forty-three thousand, six hundred sixty".