717212013 has 16 divisors (see below), whose sum is σ = 1140412416. Its totient is φ = 392016240.

The previous prime is 717212011. The next prime is 717212029. The reversal of 717212013 is 310212717.

It is not a de Polignac number, because 717212013 - 2¹ = 717212011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741973 + ... + 742938.

It is an arithmetic number, because the mean of its divisors is an integer number (71275776).

Almost surely, 2^717212013 is an apocalyptic number.

It is an amenable number.

717212013 is a deficient number, since it is larger than the sum of its proper divisors (423200403).

717212013 is a wasteful number, since it uses less digits than its factorization.

717212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484944.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 717212013 is about 26780.8142706677. The cubic root of 717212013 is about 895.1225919482.

The spelling of 717212013 in words is "seven hundred seventeen million, two hundred twelve thousand, thirteen".