12613015 has 4 divisors (see below), whose sum is σ = 15135624. Its totient is φ = 10090408.

The previous prime is 12612973. The next prime is 12613019. The reversal of 12613015 is 51031621.

12613015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12613015 - 2⁹ = 12612503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12612983 and 12613001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613019) 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, 1261297 + ... + 1261306.

It is an arithmetic number, because the mean of its divisors is an integer number (3783906).

Almost surely, 2^12613015 is an apocalyptic number.

12613015 is a deficient number, since it is larger than the sum of its proper divisors (2522609).

12613015 is an equidigital number, since it uses as much as digits as its factorization.

12613015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522608.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12613015 is about 3551.4806771261. The cubic root of 12613015 is about 232.7767698722.

Adding to 12613015 its reverse (51031621), we get a palindrome (63644636).

The spelling of 12613015 in words is "twelve million, six hundred thirteen thousand, fifteen".