13288056 has 32 divisors (see below), whose sum is σ = 33598800. Its totient is φ = 4378880.

The previous prime is 13288027. The next prime is 13288063. The reversal of 13288056 is 65088231.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 975 + ... + 5246.

Almost surely, 2^13288056 is an apocalyptic number.

It is an amenable number.

13288056 is an abundant number, since it is smaller than the sum of its proper divisors (20310744).

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

13288056 is a wasteful number, since it uses less digits than its factorization.

13288056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13288056 is about 3645.2785901766. The cubic root of 13288056 is about 236.8575048285.

It can be divided in two parts, 132 and 88056, that added together give a palindrome (88188).

The spelling of 13288056 in words is "thirteen million, two hundred eighty-eight thousand, fifty-six".