9113520 has 160 divisors (see below), whose sum is σ = 31997952. Its totient is φ = 2128896.

The previous prime is 9113501. The next prime is 9113551. The reversal of 9113520 is 253119.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71697 + ... + 71823.

Almost surely, 2^9113520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9113520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15998976).

9113520 is an abundant number, since it is smaller than the sum of its proper divisors (22884432).

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

9113520 is a wasteful number, since it uses less digits than its factorization.

9113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 9113520 is about 3018.8607122555. The cubic root of 9113520 is about 208.8792905068.

Adding to 9113520 its reverse (253119), we get a palindrome (9366639).

The spelling of 9113520 in words is "nine million, one hundred thirteen thousand, five hundred twenty".