8047213 has 4 divisors (see below), whose sum is σ = 8068608. Its totient is φ = 8025820.

The previous prime is 8047189. The next prime is 8047261. The reversal of 8047213 is 3127408.

8047213 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 a de Polignac number, because none of the positive numbers 2^k-8047213 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 (8047513) 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, 10123 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (2017152).

Almost surely, 2^8047213 is an apocalyptic number.

It is an amenable number.

8047213 is a deficient number, since it is larger than the sum of its proper divisors (21395).

8047213 is a wasteful number, since it uses less digits than its factorization.

8047213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21394.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8047213 is about 2836.7610050901. The cubic root of 8047213 is about 200.3926702126.

The spelling of 8047213 in words is "eight million, forty-seven thousand, two hundred thirteen".