8079813 has 24 divisors (see below), whose sum is σ = 13415168. Its totient is φ = 4590432.

The previous prime is 8079803. The next prime is 8079821. The reversal of 8079813 is 3189708.

It is not a de Polignac number, because 8079813 - 2¹³ = 8071621 is a prime.

It is a super-2 number, since 2×8079813² = 130566756229938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8079803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17220 + ... + 17682.

Almost surely, 2^8079813 is an apocalyptic number.

It is an amenable number.

8079813 is a deficient number, since it is larger than the sum of its proper divisors (5335355).

8079813 is a wasteful number, since it uses less digits than its factorization.

8079813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8079813 is about 2842.5011873348. The cubic root of 8079813 is about 200.6629086662.

The spelling of 8079813 in words is "eight million, seventy-nine thousand, eight hundred thirteen".