799913 has 4 divisors (see below), whose sum is σ = 811920. Its totient is φ = 787908.

The previous prime is 799891. The next prime is 799921. The reversal of 799913 is 319997.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 319997 = 71 ⋅4507.

It is a cyclic number.

It is not a de Polignac number, because 799913 - 2⁸ = 799657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (799993) 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, 5903 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (202980).

2⁷⁹⁹⁹¹³ is an apocalyptic number.

It is an amenable number.

799913 is a deficient number, since it is larger than the sum of its proper divisors (12007).

799913 is a wasteful number, since it uses less digits than its factorization.

799913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006.

The product of its digits is 15309, while the sum is 38.

The square root of 799913 is about 894.3785551991. The cubic root of 799913 is about 92.8284113984.

The spelling of 799913 in words is "seven hundred ninety-nine thousand, nine hundred thirteen".