9999113 has 4 divisors (see below), whose sum is σ = 10343940. Its totient is φ = 9654288.

The previous prime is 9999083. The next prime is 9999161. The reversal of 9999113 is 3119999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 5555449 = 2108^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999113 - 2⁶ = 9999049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172370 + ... + 172427.

It is an arithmetic number, because the mean of its divisors is an integer number (2585985).

Almost surely, 2^9999113 is an apocalyptic number.

It is an amenable number.

9999113 is a deficient number, since it is larger than the sum of its proper divisors (344827).

9999113 is a wasteful number, since it uses less digits than its factorization.

9999113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344826.

The product of its digits is 19683, while the sum is 41.

The square root of 9999113 is about 3162.1374100440. The cubic root of 9999113 is about 215.4370988696.

The spelling of 9999113 in words is "nine million, nine hundred ninety-nine thousand, one hundred thirteen".