9172012 has 24 divisors (see below), whose sum is σ = 16484832. Its totient is φ = 4464000.

The previous prime is 9171997. The next prime is 9172039. The reversal of 9172012 is 2102719.

9172012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29337 + ... + 29647.

It is an arithmetic number, because the mean of its divisors is an integer number (686868).

Almost surely, 2^9172012 is an apocalyptic number.

It is an amenable number.

9172012 is a deficient number, since it is larger than the sum of its proper divisors (7312820).

9172012 is a wasteful number, since it uses less digits than its factorization.

9172012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 9172012 is about 3028.5329781926. The cubic root of 9172012 is about 209.3252112102.

The spelling of 9172012 in words is "nine million, one hundred seventy-two thousand, twelve".