13103672513 has 4 divisors (see below), whose sum is σ = 13125049428. Its totient is φ = 13082295600.

The previous prime is 13103672497. The next prime is 13103672557. The reversal of 13103672513 is 31527630131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31527630131 = 1933 ⋅16310207.

It can be written as a sum of positive squares in 2 ways, for example, as 4948137649 + 8155534864 = 70343^2 + 90308^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103672513 - 2⁴ = 13103672497 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 13103672513.

It is not an unprimeable number, because it can be changed into a prime (13103672713) 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 3 ways as a sum of consecutive naturals, for example, 10687538 + ... + 10688763.

It is an arithmetic number, because the mean of its divisors is an integer number (3281262357).

Almost surely, 2^13103672513 is an apocalyptic number.

It is an amenable number.

13103672513 is a deficient number, since it is larger than the sum of its proper divisors (21376915).

13103672513 is an equidigital number, since it uses as much as digits as its factorization.

13103672513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376914.

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 13103672513 in words is "thirteen billion, one hundred three million, six hundred seventy-two thousand, five hundred thirteen".