8706213 has 24 divisors (see below), whose sum is σ = 13261248. Its totient is φ = 5493312.

The previous prime is 8706197. The next prime is 8706221. The reversal of 8706213 is 3126078.

It is not a de Polignac number, because 8706213 - 2⁴ = 8706197 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8706283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28206 + ... + 28512.

It is an arithmetic number, because the mean of its divisors is an integer number (552552).

Almost surely, 2^8706213 is an apocalyptic number.

It is an amenable number.

8706213 is a deficient number, since it is larger than the sum of its proper divisors (4555035).

8706213 is a wasteful number, since it uses less digits than its factorization.

8706213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8706213 is about 2950.6292549217. The cubic root of 8706213 is about 205.7199591276.

The spelling of 8706213 in words is "eight million, seven hundred six thousand, two hundred thirteen".