8105712 has 20 divisors (see below), whose sum is σ = 20939880. Its totient is φ = 2701888.

The previous prime is 8105711. The next prime is 8105731. The reversal of 8105712 is 2175018.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84387 + ... + 84482.

It is an arithmetic number, because the mean of its divisors is an integer number (1046994).

Almost surely, 2^8105712 is an apocalyptic number.

It is an amenable number.

8105712 is an abundant number, since it is smaller than the sum of its proper divisors (12834168).

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

8105712 is a wasteful number, since it uses less digits than its factorization.

8105712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168880 (or 168874 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 8105712 is about 2847.0532134121. The cubic root of 8105712 is about 200.8770813522.

The spelling of 8105712 in words is "eight million, one hundred five thousand, seven hundred twelve".