82814212 has 12 divisors (see below), whose sum is σ = 156073036. Its totient is φ = 38221920.

The previous prime is 82814209. The next prime is 82814213. The reversal of 82814212 is 21241828.

It can be written as a sum of positive squares in 2 ways, for example, as 28879876 + 53934336 = 5374^2 + 7344^2 .

It is not an unprimeable number, because it can be changed into a prime (82814213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796239 + ... + 796342.

Almost surely, 2^82814212 is an apocalyptic number.

It is an amenable number.

82814212 is a deficient number, since it is larger than the sum of its proper divisors (73258824).

82814212 is a wasteful number, since it uses less digits than its factorization.

82814212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592598 (or 1592596 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 82814212 is about 9100.2314256287. The cubic root of 82814212 is about 435.8813539635.

The spelling of 82814212 in words is "eighty-two million, eight hundred fourteen thousand, two hundred twelve".