812113 has 8 divisors (see below), whose sum is σ = 853632. Its totient is φ = 771696.

The previous prime is 812101. The next prime is 812129. The reversal of 812113 is 311218.

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 812113 - 2⁵ = 812081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812173) 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, 1506 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (106704).

2⁸¹²¹¹³ is an apocalyptic number.

It is an amenable number.

812113 is a deficient number, since it is larger than the sum of its proper divisors (41519).

812113 is a wasteful number, since it uses less digits than its factorization.

812113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its digits is 48, while the sum is 16.

The square root of 812113 is about 901.1731243218. The cubic root of 812113 is about 93.2979613695.

It can be divided in two parts, 8 and 12113, that added together give a palindrome (12121).

The spelling of 812113 in words is "eight hundred twelve thousand, one hundred thirteen".