13302666 has 36 divisors (see below), whose sum is σ = 31217238. Its totient is φ = 4092192.

The previous prime is 13302643. The next prime is 13302683. The reversal of 13302666 is 66620331.

It can be written as a sum of positive squares in 3 ways, for example, as 7177041 + 6125625 = 2679^2 + 2475^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 856 + ... + 5228.

Almost surely, 2^13302666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13302666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15608619).

13302666 is an abundant number, since it is smaller than the sum of its proper divisors (17914572).

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

13302666 is a wasteful number, since it uses less digits than its factorization.

13302666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13302666 is about 3647.2820017103. The cubic root of 13302666 is about 236.9442800164.

Adding to 13302666 its reverse (66620331), we get a palindrome (79922997).

The spelling of 13302666 in words is "thirteen million, three hundred two thousand, six hundred sixty-six".