800013 has 4 divisors (see below), whose sum is σ = 1066688. Its totient is φ = 533340.

The previous prime is 800011. The next prime is 800029. The reversal of 800013 is 310008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 800013 - 2¹ = 800011 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800011) 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, 133333 + ... + 133338.

It is an arithmetic number, because the mean of its divisors is an integer number (266672).

2⁸⁰⁰⁰¹³ is an apocalyptic number.

It is an amenable number.

800013 is a deficient number, since it is larger than the sum of its proper divisors (266675).

800013 is a wasteful number, since it uses less digits than its factorization.

800013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266674.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 800013 is about 894.4344581913. The cubic root of 800013 is about 92.8322795083.

The spelling of 800013 in words is "eight hundred thousand, thirteen".