9980013 has 4 divisors (see below), whose sum is σ = 13306688. Its totient is φ = 6653340.

The previous prime is 9979993. The next prime is 9980017. The reversal of 9980013 is 3100899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9980013 - 2¹⁰ = 9978989 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 (9980017) 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, 1663333 + ... + 1663338.

It is an arithmetic number, because the mean of its divisors is an integer number (3326672).

Almost surely, 2^9980013 is an apocalyptic number.

It is an amenable number.

9980013 is a deficient number, since it is larger than the sum of its proper divisors (3326675).

9980013 is a wasteful number, since it uses less digits than its factorization.

9980013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326674.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9980013 is about 3159.1158573246. The cubic root of 9980013 is about 215.2998376481.

The spelling of 9980013 in words is "nine million, nine hundred eighty thousand, thirteen".