13303013 has 4 divisors (see below), whose sum is σ = 13434828. Its totient is φ = 13171200.

The previous prime is 13303001. The next prime is 13303033. The reversal of 13303013 is 31030331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 1898884 = 3377^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303013 - 2¹⁰ = 13301989 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 (13303033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65756 + ... + 65957.

It is an arithmetic number, because the mean of its divisors is an integer number (3358707).

Almost surely, 2^13303013 is an apocalyptic number.

It is an amenable number.

13303013 is a deficient number, since it is larger than the sum of its proper divisors (131815).

13303013 is a wasteful number, since it uses less digits than its factorization.

13303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131814.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 13303013 is about 3647.3295710698. The cubic root of 13303013 is about 236.9463402287.

Adding to 13303013 its reverse (31030331), we get a palindrome (44333344).

The spelling of 13303013 in words is "thirteen million, three hundred three thousand, thirteen".