13290566 has 16 divisors (see below), whose sum is σ = 21560256. Its totient is φ = 6120576.

The previous prime is 13290547. The next prime is 13290647. The reversal of 13290566 is 66509231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 5756.

It is an arithmetic number, because the mean of its divisors is an integer number (1347516).

Almost surely, 2^13290566 is an apocalyptic number.

13290566 is a deficient number, since it is larger than the sum of its proper divisors (8269690).

13290566 is a wasteful number, since it uses less digits than its factorization.

13290566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13290566 is about 3645.6228548768. The cubic root of 13290566 is about 236.8724173411.

Adding to 13290566 its reverse (66509231), we get a palindrome (79799797).

The spelling of 13290566 in words is "thirteen million, two hundred ninety thousand, five hundred sixty-six".