8012813 has 4 divisors (see below), whose sum is σ = 8434560. Its totient is φ = 7591068.

The previous prime is 8012801. The next prime is 8012819. The reversal of 8012813 is 3182108.

8012813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 8012813 - 2¹⁰ = 8011789 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 (8012819) 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, 210845 + ... + 210882.

It is an arithmetic number, because the mean of its divisors is an integer number (2108640).

Almost surely, 2^8012813 is an apocalyptic number.

It is an amenable number.

8012813 is a deficient number, since it is larger than the sum of its proper divisors (421747).

8012813 is a wasteful number, since it uses less digits than its factorization.

8012813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421746.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8012813 is about 2830.6912583325. The cubic root of 8012813 is about 200.1067180462.

The spelling of 8012813 in words is "eight million, twelve thousand, eight hundred thirteen".