712717 has 2 divisors, whose sum is σ = 712718. Its totient is φ = 712716.

The previous prime is 712711. The next prime is 712739. The reversal of 712717 is 717217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 17161 = 834^2 + 131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712691 and 712700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356358 + 356359.

It is an arithmetic number, because the mean of its divisors is an integer number (356359).

2⁷¹²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

712717 is a deficient number, since it is larger than the sum of its proper divisors (1).

712717 is an equidigital number, since it uses as much as digits as its factorization.

712717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 686, while the sum is 25.

The square root of 712717 is about 844.2256807276. The cubic root of 712717 is about 89.3248658468.

The spelling of 712717 in words is "seven hundred twelve thousand, seven hundred seventeen", and thus it is an iban number.