13038613 has 4 divisors (see below), whose sum is σ = 14901280. Its totient is φ = 11175948.

The previous prime is 13038611. The next prime is 13038637. The reversal of 13038613 is 31683031.

It is a happy number.

13038613 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13038613 - 2¹ = 13038611 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 (13038611) 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, 931323 + ... + 931336.

It is an arithmetic number, because the mean of its divisors is an integer number (3725320).

Almost surely, 2^13038613 is an apocalyptic number.

It is an amenable number.

13038613 is a deficient number, since it is larger than the sum of its proper divisors (1862667).

13038613 is an equidigital number, since it uses as much as digits as its factorization.

13038613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862666.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13038613 is about 3610.9019648836. The cubic root of 13038613 is about 235.3660388828.

The spelling of 13038613 in words is "thirteen million, thirty-eight thousand, six hundred thirteen".