6886213 has 2 divisors, whose sum is σ = 6886214. Its totient is φ = 6886212.

The previous prime is 6886211. The next prime is 6886283. The reversal of 6886213 is 3126886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 6084 = 2623^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886213 - 2¹ = 6886211 is a prime.

Together with 6886211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6886211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443106 + 3443107.

It is an arithmetic number, because the mean of its divisors is an integer number (3443107).

Almost surely, 2^6886213 is an apocalyptic number.

It is an amenable number.

6886213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6886213 is an equidigital number, since it uses as much as digits as its factorization.

6886213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 6886213 is about 2624.1594844826. The cubic root of 6886213 is about 190.2509426596.

The spelling of 6886213 in words is "six million, eight hundred eighty-six thousand, two hundred thirteen".