812841703 has 4 divisors (see below), whose sum is σ = 816330528. Its totient is φ = 809352880.

The previous prime is 812841691. The next prime is 812841713. The reversal of 812841703 is 307148218.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812841703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812841713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744063 + ... + 1744528.

It is an arithmetic number, because the mean of its divisors is an integer number (204082632).

Almost surely, 2^812841703 is an apocalyptic number.

812841703 is a deficient number, since it is larger than the sum of its proper divisors (3488825).

812841703 is a wasteful number, since it uses less digits than its factorization.

812841703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488824.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 812841703 is about 28510.3788645469. The cubic root of 812841703 is about 933.2585821794.

The spelling of 812841703 in words is "eight hundred twelve million, eight hundred forty-one thousand, seven hundred three".