811713 has 8 divisors (see below), whose sum is σ = 1236928. Its totient is φ = 463824.

The previous prime is 811709. The next prime is 811729. The reversal of 811713 is 317118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 811713 - 2² = 811709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 38653 = 811713 / (8 + 1 + 1 + 7 + 1 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 811713.

It is not an unprimeable number, because it can be changed into a prime (811703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19306 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (154616).

2⁸¹¹⁷¹³ is an apocalyptic number.

It is an amenable number.

811713 is a deficient number, since it is larger than the sum of its proper divisors (425215).

811713 is a wasteful number, since it uses less digits than its factorization.

811713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38663.

The product of its digits is 168, while the sum is 21.

The square root of 811713 is about 900.9511640483. The cubic root of 811713 is about 93.2826411233.

The spelling of 811713 in words is "eight hundred eleven thousand, seven hundred thirteen".