8125812 has 24 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 2708568.

The previous prime is 8125811. The next prime is 8125823. The reversal of 8125812 is 2185218.

8125812 is a `hidden beast` number, since 81 + 2 + 581 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37512 + ... + 37727.

It is an arithmetic number, because the mean of its divisors is an integer number (877800).

Almost surely, 2^8125812 is an apocalyptic number.

It is an amenable number.

8125812 is an abundant number, since it is smaller than the sum of its proper divisors (12941388).

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

8125812 is a wasteful number, since it uses less digits than its factorization.

8125812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75252 (or 75244 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 8125812 is about 2850.5809934117. The cubic root of 8125812 is about 201.0429847921.

The spelling of 8125812 in words is "eight million, one hundred twenty-five thousand, eight hundred twelve".