8211713 has 4 divisors (see below), whose sum is σ = 8568768. Its totient is φ = 7854660.

The previous prime is 8211701. The next prime is 8211719. The reversal of 8211713 is 3171128.

It is a happy number.

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 8211713 - 2⁸ = 8211457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 357031 = 8211713 / (8 + 2 + 1 + 1 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8211719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178493 + ... + 178538.

It is an arithmetic number, because the mean of its divisors is an integer number (2142192).

Almost surely, 2^8211713 is an apocalyptic number.

It is an amenable number.

8211713 is a deficient number, since it is larger than the sum of its proper divisors (357055).

8211713 is a wasteful number, since it uses less digits than its factorization.

8211713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357054.

The product of its digits is 336, while the sum is 23.

The square root of 8211713 is about 2865.6086613493. The cubic root of 8211713 is about 201.7489365251.

The spelling of 8211713 in words is "eight million, two hundred eleven thousand, seven hundred thirteen".