13079817 has 24 divisors (see below), whose sum is σ = 20394504. Its totient is φ = 8047104.

The previous prime is 13079791. The next prime is 13079821. The reversal of 13079817 is 71897031.

13079817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5659641 + 7420176 = 2379^2 + 2724^2 .

It is not a de Polignac number, because 13079817 - 2¹¹ = 13077769 is a prime.

It is a super-2 number, since 2×13079817² = 342163225506978, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13079837) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7303 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (849771).

Almost surely, 2^13079817 is an apocalyptic number.

13079817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13079817 is a deficient number, since it is larger than the sum of its proper divisors (7314687).

13079817 is a wasteful number, since it uses less digits than its factorization.

13079817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13079817 is about 3616.6029641087. The cubic root of 13079817 is about 235.6137089998.

The spelling of 13079817 in words is "thirteen million, seventy-nine thousand, eight hundred seventeen".