9969013 has 4 divisors (see below), whose sum is σ = 9976000. Its totient is φ = 9962028.

The previous prime is 9968971. The next prime is 9969023. The reversal of 9969013 is 3109699.

9969013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9969013 - 2⁹ = 9968501 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 (9969023) 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, 495 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (2494000).

Almost surely, 2^9969013 is an apocalyptic number.

It is an amenable number.

9969013 is a deficient number, since it is larger than the sum of its proper divisors (6987).

9969013 is a wasteful number, since it uses less digits than its factorization.

9969013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 9969013 is about 3157.3743838829. The cubic root of 9969013 is about 215.2207071947.

The spelling of 9969013 in words is "nine million, nine hundred sixty-nine thousand, thirteen".