13290666 has 8 divisors (see below), whose sum is σ = 26581344. Its totient is φ = 4430220.

The previous prime is 13290647. The next prime is 13290713. The reversal of 13290666 is 66609231.

It is a happy number.

13290666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

13290666 is an admirable number.

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, 1107550 + ... + 1107561.

It is an arithmetic number, because the mean of its divisors is an integer number (3322668).

Almost surely, 2^13290666 is an apocalyptic number.

13290666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13290666 is a wasteful number, since it uses less digits than its factorization.

13290666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215116.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13290666 is about 3645.6365699285. The cubic root of 13290666 is about 236.8730114262.

Adding to 13290666 its reverse (66609231), we get a palindrome (79899897).

The spelling of 13290666 in words is "thirteen million, two hundred ninety thousand, six hundred sixty-six".