9120213 has 12 divisors (see below), whose sum is σ = 13746720. Its totient is φ = 5815656.

The previous prime is 9120203. The next prime is 9120217. The reversal of 9120213 is 3120219.

It is a happy number.

9120213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9120213 - 2⁴ = 9120197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21823 + ... + 22236.

It is an arithmetic number, because the mean of its divisors is an integer number (1145560).

Almost surely, 2^9120213 is an apocalyptic number.

It is an amenable number.

9120213 is a deficient number, since it is larger than the sum of its proper divisors (4626507).

9120213 is a wasteful number, since it uses less digits than its factorization.

9120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44088 (or 44085 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 9120213 is about 3019.9690395764. The cubic root of 9120213 is about 208.9304118807.

The spelling of 9120213 in words is "nine million, one hundred twenty thousand, two hundred thirteen".