8120912 has 10 divisors (see below), whose sum is σ = 15734298. Its totient is φ = 4060448.

The previous prime is 8120891. The next prime is 8120921. The reversal of 8120912 is 2190218.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 414736 = 2776^2 + 644^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 253763 + ... + 253794.

Almost surely, 2^8120912 is an apocalyptic number.

It is an amenable number.

8120912 is a deficient number, since it is larger than the sum of its proper divisors (7613386).

8120912 is a wasteful number, since it uses less digits than its factorization.

8120912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507565 (or 507559 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8120912 is about 2849.7213898906. The cubic root of 8120912 is about 201.0025659103.

The spelling of 8120912 in words is "eight million, one hundred twenty thousand, nine hundred twelve".