9872312 has 8 divisors (see below), whose sum is σ = 18510600. Its totient is φ = 4936152.

The previous prime is 9872311. The next prime is 9872321. The reversal of 9872312 is 2132789.

9872312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617012 + ... + 617027.

It is an arithmetic number, because the mean of its divisors is an integer number (2313825).

Almost surely, 2^9872312 is an apocalyptic number.

It is an amenable number.

9872312 is a deficient number, since it is larger than the sum of its proper divisors (8638288).

9872312 is a wasteful number, since it uses less digits than its factorization.

9872312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234045 (or 1234041 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 9872312 is about 3142.0235517895. The cubic root of 9872312 is about 214.5225532910.

The spelling of 9872312 in words is "nine million, eight hundred seventy-two thousand, three hundred twelve".