8332813 has 4 divisors (see below), whose sum is σ = 8364060. Its totient is φ = 8301568.

The previous prime is 8332789. The next prime is 8332817. The reversal of 8332813 is 3182338.

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 5189284 + 3143529 = 2278^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 8332813 - 2¹³ = 8324621 is a prime.

It is a Duffinian number.

8332813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332817) 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, 15220 + ... + 15757.

It is an arithmetic number, because the mean of its divisors is an integer number (2091015).

Almost surely, 2^8332813 is an apocalyptic number.

It is an amenable number.

8332813 is a deficient number, since it is larger than the sum of its proper divisors (31247).

8332813 is a wasteful number, since it uses less digits than its factorization.

8332813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246.

The product of its digits is 3456, while the sum is 28.

The square root of 8332813 is about 2886.6612201642. The cubic root of 8332813 is about 202.7358467347.

It can be divided in two parts, 83 and 32813, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 8332813 in words is "eight million, three hundred thirty-two thousand, eight hundred thirteen".