813307 has 8 divisors (see below), whose sum is σ = 896832. Its totient is φ = 731400.

The previous prime is 813301. The next prime is 813311. The reversal of 813307 is 703318.

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 813307 - 2³ = 813299 is a prime.

It is a super-2 number, since 2×813307² = 1322936552498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813301) 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, 832 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (112104).

2⁸¹³³⁰⁷ is an apocalyptic number.

813307 is a deficient number, since it is larger than the sum of its proper divisors (83525).

813307 is a wasteful number, since it uses less digits than its factorization.

813307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 813307 is about 901.8353508263. The cubic root of 813307 is about 93.3436624056.

The spelling of 813307 in words is "eight hundred thirteen thousand, three hundred seven".