8212869 has 12 divisors (see below), whose sum is σ = 13557856. Its totient is φ = 4693032.

The previous prime is 8212849. The next prime is 8212873. The reversal of 8212869 is 9682128.

It is not a de Polignac number, because 8212869 - 2⁵ = 8212837 is a prime.

It is a super-2 number, since 2×8212869² = 134902434422322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65119 + ... + 65244.

Almost surely, 2^8212869 is an apocalyptic number.

It is an amenable number.

8212869 is a deficient number, since it is larger than the sum of its proper divisors (5344987).

8212869 is a wasteful number, since it uses less digits than its factorization.

8212869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130376 (or 130373 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 8212869 is about 2865.8103566007. The cubic root of 8212869 is about 201.7584031178.

The spelling of 8212869 in words is "eight million, two hundred twelve thousand, eight hundred sixty-nine".