8047313 has 4 divisors (see below), whose sum is σ = 8065380. Its totient is φ = 8029248.

The previous prime is 8047271. The next prime is 8047327. The reversal of 8047313 is 3137408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 1555009 = 2548^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 8047313 - 2⁸ = 8047057 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 (8047343) 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 3 ways as a sum of consecutive naturals, for example, 8348 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (2016345).

Almost surely, 2^8047313 is an apocalyptic number.

It is an amenable number.

8047313 is a deficient number, since it is larger than the sum of its proper divisors (18067).

8047313 is a wasteful number, since it uses less digits than its factorization.

8047313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 8047313 is about 2836.7786307712. The cubic root of 8047313 is about 200.3935002799.

The spelling of 8047313 in words is "eight million, forty-seven thousand, three hundred thirteen".