13200666 has 24 divisors (see below), whose sum is σ = 27605760. Its totient is φ = 4207896.

The previous prime is 13200659. The next prime is 13200667. The reversal of 13200666 is 66600231.

13200666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13200667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1095 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (1150240).

Almost surely, 2^13200666 is an apocalyptic number.

13200666 is an abundant number, since it is smaller than the sum of its proper divisors (14405094).

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

13200666 is a wasteful number, since it uses less digits than its factorization.

13200666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13200666 is about 3633.2720789944. The cubic root of 13200666 is about 236.3371247205.

Adding to 13200666 its reverse (66600231), we get a palindrome (79800897).

The spelling of 13200666 in words is "thirteen million, two hundred thousand, six hundred sixty-six".