8641212 has 12 divisors (see below), whose sum is σ = 20162856. Its totient is φ = 2880400.

The previous prime is 8641211. The next prime is 8641231. The reversal of 8641212 is 2121468.

It is a tau number, because it is divible by the number of its divisors (12).

8641212 is a modest number, since divided by 1212 gives 864 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641211) 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, 360039 + ... + 360062.

It is an arithmetic number, because the mean of its divisors is an integer number (1680238).

Almost surely, 2^8641212 is an apocalyptic number.

It is an amenable number.

8641212 is an abundant number, since it is smaller than the sum of its proper divisors (11521644).

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

8641212 is a wasteful number, since it uses less digits than its factorization.

8641212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720108 (or 720106 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 8641212 is about 2939.5938494969. The cubic root of 8641212 is about 205.2067080176.

The spelling of 8641212 in words is "eight million, six hundred forty-one thousand, two hundred twelve".