13288797 has 12 divisors (see below), whose sum is σ = 19663644. Its totient is φ = 8642880.

The previous prime is 13288783. The next prime is 13288799. The reversal of 13288797 is 79788231.

It can be written as a sum of positive squares in 2 ways, for example, as 2752281 + 10536516 = 1659^2 + 3246^2 .

It is not a de Polignac number, because 13288797 - 2¹⁵ = 13256029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288799) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17638 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (1638637).

Almost surely, 2^13288797 is an apocalyptic number.

It is an amenable number.

13288797 is a deficient number, since it is larger than the sum of its proper divisors (6374847).

13288797 is a wasteful number, since it uses less digits than its factorization.

13288797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36060 (or 36057 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 13288797 is about 3645.3802270819. The cubic root of 13288797 is about 236.8619074827.

The spelling of 13288797 in words is "thirteen million, two hundred eighty-eight thousand, seven hundred ninety-seven".