9969613 has 8 divisors (see below), whose sum is σ = 10292832. Its totient is φ = 9649296.

The previous prime is 9969611. The next prime is 9969629. The reversal of 9969613 is 3169699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9969613 - 2¹ = 9969611 is a prime.

It is a Duffinian number.

9969613 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9969613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969611) 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 7 ways as a sum of consecutive naturals, for example, 7806 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (1286604).

Almost surely, 2^9969613 is an apocalyptic number.

It is an amenable number.

9969613 is a deficient number, since it is larger than the sum of its proper divisors (323219).

9969613 is a wasteful number, since it uses less digits than its factorization.

9969613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its digits is 78732, while the sum is 43.

The square root of 9969613 is about 3157.4693981098. The cubic root of 9969613 is about 215.2250249018.

It can be divided in two parts, 996 and 9613, that added together give a square (10609 = 103²).

The spelling of 9969613 in words is "nine million, nine hundred sixty-nine thousand, six hundred thirteen".