713212813 has 4 divisors (see below), whose sum is σ = 720274428. Its totient is φ = 706151200.

The previous prime is 713212783. The next prime is 713212817. The reversal of 713212813 is 318212317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318212317 = 101 ⋅3150617.

It can be written as a sum of positive squares in 2 ways, for example, as 695798884 + 17413929 = 26378^2 + 4173^2 .

It is a cyclic number.

It is not a de Polignac number, because 713212813 - 2¹⁷ = 713081741 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 (713212817) 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, 3530656 + ... + 3530857.

It is an arithmetic number, because the mean of its divisors is an integer number (180068607).

Almost surely, 2^713212813 is an apocalyptic number.

It is an amenable number.

713212813 is a deficient number, since it is larger than the sum of its proper divisors (7061615).

713212813 is a wasteful number, since it uses less digits than its factorization.

713212813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061614.

The product of its digits is 2016, while the sum is 28.

The square root of 713212813 is about 26706.0445030708. The cubic root of 713212813 is about 893.4557447011.

It can be divided in two parts, 713212 and 813, that added together give a square (714025 = 845²).

The spelling of 713212813 in words is "seven hundred thirteen million, two hundred twelve thousand, eight hundred thirteen".