813117 has 8 divisors (see below), whose sum is σ = 1092960. Its totient is φ = 537680.

The previous prime is 813107. The next prime is 813121. The reversal of 813117 is 711318.

813117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 813117 - 2¹⁸ = 550973 is a prime.

It is a super-2 number, since 2×813117² = 1322318511378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813093 and 813102.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 813117.

It is not an unprimeable number, because it can be changed into a prime (813107) 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, 642 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (136620).

2⁸¹³¹¹⁷ is an apocalyptic number.

It is an amenable number.

813117 is a deficient number, since it is larger than the sum of its proper divisors (279843).

813117 is a wasteful number, since it uses less digits than its factorization.

813117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

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

The square root of 813117 is about 901.7300039369. The cubic root of 813117 is about 93.3363930403.

It can be divided in two parts, 81311 and 7, that added together give a palindrome (81318).

The spelling of 813117 in words is "eight hundred thirteen thousand, one hundred seventeen".