8022013 has 4 divisors (see below), whose sum is σ = 8028988. Its totient is φ = 8015040.

The previous prime is 8021999. The next prime is 8022017. The reversal of 8022013 is 3102208.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 2442969 = 2362^2 + 1563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8022013 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 (8022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (2007247).

Almost surely, 2^8022013 is an apocalyptic number.

It is an amenable number.

8022013 is a deficient number, since it is larger than the sum of its proper divisors (6975).

8022013 is a wasteful number, since it uses less digits than its factorization.

8022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 8022013 is about 2832.3158369080. The cubic root of 8022013 is about 200.1832736692.

The spelling of 8022013 in words is "eight million, twenty-two thousand, thirteen".