8071812 has 60 divisors (see below), whose sum is σ = 24122560. Its totient is φ = 2305584.

The previous prime is 8071807. The next prime is 8071823. The reversal of 8071812 is 2181708.

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

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 489 + ... + 4047.

Almost surely, 2^8071812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8071812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12061280).

8071812 is an abundant number, since it is smaller than the sum of its proper divisors (16050748).

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

8071812 is a wasteful number, since it uses less digits than its factorization.

8071812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8071812 is about 2841.0934514725. The cubic root of 8071812 is about 200.5966515977.

Adding to 8071812 its product of nonzero digits (896), we get a palindrome (8072708).

The spelling of 8071812 in words is "eight million, seventy-one thousand, eight hundred twelve".