13260013 has 4 divisors (see below), whose sum is σ = 14280028. Its totient is φ = 12240000.

The previous prime is 13260007. The next prime is 13260019. The reversal of 13260013 is 31006231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13260007) and next prime (13260019).

It can be written as a sum of positive squares in 2 ways, for example, as 4721929 + 8538084 = 2173^2 + 2922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13260013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260019) 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, 509988 + ... + 510013.

It is an arithmetic number, because the mean of its divisors is an integer number (3570007).

Almost surely, 2^13260013 is an apocalyptic number.

13260013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13260013 is a deficient number, since it is larger than the sum of its proper divisors (1020015).

13260013 is a wasteful number, since it uses less digits than its factorization.

13260013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020014.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13260013 is about 3641.4300762201. The cubic root of 13260013 is about 236.6907667935.

Adding to 13260013 its reverse (31006231), we get a palindrome (44266244).

The spelling of 13260013 in words is "thirteen million, two hundred sixty thousand, thirteen".