8678213 has 2 divisors, whose sum is σ = 8678214. Its totient is φ = 8678212.

The previous prime is 8678203. The next prime is 8678237. The reversal of 8678213 is 3128768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7496644 + 1181569 = 2738^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 8678213 - 2⁶ = 8678149 is a prime.

It is a super-2 number, since 2×8678213² = 150622761746738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8678203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339106 + 4339107.

It is an arithmetic number, because the mean of its divisors is an integer number (4339107).

Almost surely, 2^8678213 is an apocalyptic number.

It is an amenable number.

8678213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678213 is an equidigital number, since it uses as much as digits as its factorization.

8678213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 8678213 is about 2945.8806832593. The cubic root of 8678213 is about 205.4991840335.

The spelling of 8678213 in words is "eight million, six hundred seventy-eight thousand, two hundred thirteen".