13328066 has 16 divisors (see below), whose sum is σ = 20647224. Its totient is φ = 6447744.

The previous prime is 13328053. The next prime is 13328087. The reversal of 13328066 is 66082331.

It can be written as a sum of positive squares in 4 ways, for example, as 9211225 + 4116841 = 3035^2 + 2029^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16856 + ... + 17628.

Almost surely, 2^13328066 is an apocalyptic number.

13328066 is a deficient number, since it is larger than the sum of its proper divisors (7319158).

13328066 is a wasteful number, since it uses less digits than its factorization.

13328066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 13328066 is about 3650.7623861325. The cubic root of 13328066 is about 237.0949906154.

The spelling of 13328066 in words is "thirteen million, three hundred twenty-eight thousand, sixty-six".