8124213 has 4 divisors (see below), whose sum is σ = 10832288. Its totient is φ = 5416140.

The previous prime is 8124209. The next prime is 8124217. The reversal of 8124213 is 3124218.

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 an interprime number because it is at equal distance from previous prime (8124209) and next prime (8124217).

It is not a de Polignac number, because 8124213 - 2² = 8124209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8124213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8124217) 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, 1354033 + ... + 1354038.

It is an arithmetic number, because the mean of its divisors is an integer number (2708072).

Almost surely, 2^8124213 is an apocalyptic number.

It is an amenable number.

8124213 is a deficient number, since it is larger than the sum of its proper divisors (2708075).

8124213 is a wasteful number, since it uses less digits than its factorization.

8124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708074.

The product of its digits is 384, while the sum is 21.

The square root of 8124213 is about 2850.3005104725. The cubic root of 8124213 is about 201.0297968252.

The spelling of 8124213 in words is "eight million, one hundred twenty-four thousand, two hundred thirteen".