13015013 has 16 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 10982400.

The previous prime is 13015007. The next prime is 13015043. The reversal of 13015013 is 31051031.

13015013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13015013 - 2¹⁸ = 12752869 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 (13015003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14333 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^13015013 is an apocalyptic number.

It is an amenable number.

13015013 is a deficient number, since it is larger than the sum of its proper divisors (2225947).

13015013 is a wasteful number, since it uses less digits than its factorization.

13015013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13015013 is about 3607.6326032455. The cubic root of 13015013 is about 235.2239482784.

Adding to 13015013 its reverse (31051031), we get a palindrome (44066044).

The spelling of 13015013 in words is "thirteen million, fifteen thousand, thirteen".