13570613 has 4 divisors (see below), whose sum is σ = 15509280. Its totient is φ = 11631948.

The previous prime is 13570603. The next prime is 13570643. The reversal of 13570613 is 31607531.

It is a happy number.

13570613 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 a cyclic number.

It is not a de Polignac number, because 13570613 - 2¹⁶ = 13505077 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 (13570603) 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, 969323 + ... + 969336.

It is an arithmetic number, because the mean of its divisors is an integer number (3877320).

Almost surely, 2^13570613 is an apocalyptic number.

It is an amenable number.

13570613 is a deficient number, since it is larger than the sum of its proper divisors (1938667).

13570613 is an equidigital number, since it uses as much as digits as its factorization.

13570613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938666.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13570613 is about 3683.8312936398. The cubic root of 13570613 is about 238.5245884694.

The spelling of 13570613 in words is "thirteen million, five hundred seventy thousand, six hundred thirteen".