8171012 has 6 divisors (see below), whose sum is σ = 14299278. Its totient is φ = 4085504.

The previous prime is 8170993. The next prime is 8171017. The reversal of 8171012 is 2101718.

It can be written as a sum of positive squares in only one way, i.e., 4726276 + 3444736 = 2174^2 + 1856^2 .

It is not an unprimeable number, because it can be changed into a prime (8171017) by changing a digit.

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 as a sum of consecutive naturals, namely, 1021373 + ... + 1021380.

It is an arithmetic number, because the mean of its divisors is an integer number (2383213).

Almost surely, 2^8171012 is an apocalyptic number.

It is an amenable number.

8171012 is a deficient number, since it is larger than the sum of its proper divisors (6128266).

8171012 is a wasteful number, since it uses less digits than its factorization.

8171012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042757 (or 2042755 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 8171012 is about 2858.4982071011. The cubic root of 8171012 is about 201.4150643516.

The spelling of 8171012 in words is "eight million, one hundred seventy-one thousand, twelve".