9988013 has 12 divisors (see below), whose sum is σ = 11737440. Its totient is φ = 8473752.

The previous prime is 9988007. The next prime is 9988057. The reversal of 9988013 is 3108899.

It is not a de Polignac number, because 9988013 - 2⁶ = 9987949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4058 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (978120).

Almost surely, 2^9988013 is an apocalyptic number.

It is an amenable number.

9988013 is a deficient number, since it is larger than the sum of its proper divisors (1749427).

9988013 is a wasteful number, since it uses less digits than its factorization.

9988013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9988013 is about 3160.3817807347. The cubic root of 9988013 is about 215.3573505552.

The spelling of 9988013 in words is "nine million, nine hundred eighty-eight thousand, thirteen".