13425717 has 4 divisors (see below), whose sum is σ = 17900960. Its totient is φ = 8950476.

The previous prime is 13425707. The next prime is 13425749. The reversal of 13425717 is 71752431.

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 13425717 - 2⁴ = 13425701 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 (13425707) 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, 2237617 + ... + 2237622.

It is an arithmetic number, because the mean of its divisors is an integer number (4475240).

Almost surely, 2^13425717 is an apocalyptic number.

It is an amenable number.

13425717 is a deficient number, since it is larger than the sum of its proper divisors (4475243).

13425717 is an equidigital number, since it uses as much as digits as its factorization.

13425717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475242.

The product of its digits is 5880, while the sum is 30.

The square root of 13425717 is about 3664.1120343134. The cubic root of 13425717 is about 237.6726250063.

The spelling of 13425717 in words is "thirteen million, four hundred twenty-five thousand, seven hundred seventeen".