8211612 has 24 divisors (see below), whose sum is σ = 20288016. Its totient is φ = 2576128.

The previous prime is 8211607. The next prime is 8211613. The reversal of 8211612 is 2161128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211613) 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 7 ways as a sum of consecutive naturals, for example, 19923 + ... + 20330.

It is an arithmetic number, because the mean of its divisors is an integer number (845334).

Almost surely, 2^8211612 is an apocalyptic number.

It is an amenable number.

8211612 is an abundant number, since it is smaller than the sum of its proper divisors (12076404).

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

8211612 is a wasteful number, since it uses less digits than its factorization.

8211612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40277 (or 40275 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 8211612 is about 2865.5910385120. The cubic root of 8211612 is about 201.7481093844.

It can be divided in two parts, 82116 and 12, that added together give a palindrome (82128).

The spelling of 8211612 in words is "eight million, two hundred eleven thousand, six hundred twelve".