8971212 has 24 divisors (see below), whose sum is σ = 21075712. Its totient is φ = 2970000.

The previous prime is 8971181. The next prime is 8971213. The reversal of 8971212 is 2121798.

It is a self number, because there is not a number n which added to its sum of digits gives 8971212.

It is not an unprimeable number, because it can be changed into a prime (8971213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 4287.

Almost surely, 2^8971212 is an apocalyptic number.

It is an amenable number.

8971212 is an abundant number, since it is smaller than the sum of its proper divisors (12104500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8971212 is a wasteful number, since it uses less digits than its factorization.

8971212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109 (or 5107 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 8971212 is about 2995.1981570507. The cubic root of 8971212 is about 207.7863622543.

The spelling of 8971212 in words is "eight million, nine hundred seventy-one thousand, two hundred twelve".