13017513 has 12 divisors (see below), whose sum is σ = 17566640. Its totient is φ = 8574552.

The previous prime is 13017509. The next prime is 13017523. The reversal of 13017513 is 31571031.

It is not a de Polignac number, because 13017513 - 2² = 13017509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13017513.

It is not an unprimeable number, because it can be changed into a prime (13017503) 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 11 ways as a sum of consecutive naturals, for example, 34158 + ... + 34536.

Almost surely, 2^13017513 is an apocalyptic number.

It is an amenable number.

13017513 is a deficient number, since it is larger than the sum of its proper divisors (4549127).

13017513 is an equidigital number, since it uses as much as digits as its factorization.

13017513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 13017513 is about 3607.9790742187. The cubic root of 13017513 is about 235.2390083792.

Adding to 13017513 its reverse (31571031), we get a palindrome (44588544).

It can be divided in two parts, 13017 and 513, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 13017513 in words is "thirteen million, seventeen thousand, five hundred thirteen".