13015015 has 8 divisors (see below), whose sum is σ = 16819488. Its totient is φ = 9611040.

The previous prime is 13015007. The next prime is 13015043. The reversal of 13015015 is 51051031.

13015015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13015015 - 2³ = 13015007 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 13015015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100051 + ... + 100180.

It is an arithmetic number, because the mean of its divisors is an integer number (2102436).

Almost surely, 2^13015015 is an apocalyptic number.

13015015 is a deficient number, since it is larger than the sum of its proper divisors (3804473).

13015015 is a wasteful number, since it uses less digits than its factorization.

13015015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200249.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 13015015 is about 3607.6328804356. The cubic root of 13015015 is about 235.2239603272.

Adding to 13015015 its reverse (51051031), we get a palindrome (64066046).

The spelling of 13015015 in words is "thirteen million, fifteen thousand, fifteen".