13256788 has 12 divisors (see below), whose sum is σ = 23268672. Its totient is φ = 6608600.

The previous prime is 13256777. The next prime is 13256797. The reversal of 13256788 is 88765231.

It is a self number, because there is not a number n which added to its sum of digits gives 13256788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (1939056).

Almost surely, 2^13256788 is an apocalyptic number.

It is an amenable number.

13256788 is a deficient number, since it is larger than the sum of its proper divisors (10011884).

13256788 is a wasteful number, since it uses less digits than its factorization.

13256788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902 (or 9900 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 13256788 is about 3640.9872287609. The cubic root of 13256788 is about 236.6715765254.

The spelling of 13256788 in words is "thirteen million, two hundred fifty-six thousand, seven hundred eighty-eight".