13608713 has 4 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 13589268.

The previous prime is 13608697. The next prime is 13608719. The reversal of 13608713 is 31780631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31780631 = 197 ⋅161323.

It is a cyclic number.

It is not a de Polignac number, because 13608713 - 2⁴ = 13608697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13608719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8633 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 2^13608713 is an apocalyptic number.

It is an amenable number.

13608713 is a deficient number, since it is larger than the sum of its proper divisors (19447).

13608713 is an equidigital number, since it uses as much as digits as its factorization.

13608713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19446.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13608713 is about 3688.9989156952. The cubic root of 13608713 is about 238.7476021067.

The spelling of 13608713 in words is "thirteen million, six hundred eight thousand, seven hundred thirteen".