9073212 has 12 divisors (see below), whose sum is σ = 21170856. Its totient is φ = 3024400.

The previous prime is 9073199. The next prime is 9073213. The reversal of 9073212 is 2123709.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9073213) 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 in 3 ways as a sum of consecutive naturals, for example, 378039 + ... + 378062.

It is an arithmetic number, because the mean of its divisors is an integer number (1764238).

Almost surely, 2^9073212 is an apocalyptic number.

It is an amenable number.

9073212 is an abundant number, since it is smaller than the sum of its proper divisors (12097644).

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

9073212 is a wasteful number, since it uses less digits than its factorization.

9073212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756108 (or 756106 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 9073212 is about 3012.1772856192. The cubic root of 9073212 is about 208.5708860757.

The spelling of 9073212 in words is "nine million, seventy-three thousand, two hundred twelve".