13288566 has 8 divisors (see below), whose sum is σ = 26577144. Its totient is φ = 4429520.

The previous prime is 13288529. The next prime is 13288567. The reversal of 13288566 is 66588231.

It is a happy number.

13288566 is digitally balanced in base 2 and base 4, because in such bases 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.

13288566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107375 + ... + 1107386.

It is an arithmetic number, because the mean of its divisors is an integer number (3322143).

Almost surely, 2^13288566 is an apocalyptic number.

13288566 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.

13288566 is a wasteful number, since it uses less digits than its factorization.

13288566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214766.

The product of its digits is 69120, while the sum is 39.

The square root of 13288566 is about 3645.3485430066. The cubic root of 13288566 is about 236.8605350129.

The spelling of 13288566 in words is "thirteen million, two hundred eighty-eight thousand, five hundred sixty-six".