12660994 has 16 divisors (see below), whose sum is σ = 20502720. Its totient is φ = 5845840.

The previous prime is 12660983. The next prime is 12660997. The reversal of 12660994 is 49906621.

It is not an unprimeable number, because it can be changed into a prime (12660997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3412 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^12660994 is an apocalyptic number.

12660994 is a deficient number, since it is larger than the sum of its proper divisors (7841726).

12660994 is a wasteful number, since it uses less digits than its factorization.

12660994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 12660994 is about 3558.2290538975. The cubic root of 12660994 is about 233.0715517631.

The spelling of 12660994 in words is "twelve million, six hundred sixty thousand, nine hundred ninety-four".