9913120 has 96 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 3314688.

The previous prime is 9913097. The next prime is 9913129. The reversal of 9913120 is 213199.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9913129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59277 + ... + 59443.

It is an arithmetic number, because the mean of its divisors is an integer number (285768).

Almost surely, 2^9913120 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 9913120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13716864).

9913120 is an abundant number, since it is smaller than the sum of its proper divisors (17520608).

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

9913120 is a wasteful number, since it uses less digits than its factorization.

9913120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 9913120 is about 3148.5107590732. The cubic root of 9913120 is about 214.8177290602.

The spelling of 9913120 in words is "nine million, nine hundred thirteen thousand, one hundred twenty".