8267213 has 4 divisors (see below), whose sum is σ = 8352540. Its totient is φ = 8181888.

The previous prime is 8267209. The next prime is 8267227. The reversal of 8267213 is 3127628.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4338889 + 3928324 = 2083^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 8267213 - 2² = 8267209 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 (8267263) 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, 42518 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (2088135).

Almost surely, 2^8267213 is an apocalyptic number.

It is an amenable number.

8267213 is a deficient number, since it is larger than the sum of its proper divisors (85327).

8267213 is an equidigital number, since it uses as much as digits as its factorization.

8267213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85326.

The product of its digits is 4032, while the sum is 29.

The square root of 8267213 is about 2875.2761606496. The cubic root of 8267213 is about 202.2024324290.

The spelling of 8267213 in words is "eight million, two hundred sixty-seven thousand, two hundred thirteen".