9713321 has 4 divisors (see below), whose sum is σ = 9749700. Its totient is φ = 9676944.

The previous prime is 9713311. The next prime is 9713339. The reversal of 9713321 is 1233179.

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 5953600 + 3759721 = 2440^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 9713321 - 2¹⁴ = 9696937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9713311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17786 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (2437425).

Almost surely, 2^9713321 is an apocalyptic number.

It is an amenable number.

9713321 is a deficient number, since it is larger than the sum of its proper divisors (36379).

9713321 is a wasteful number, since it uses less digits than its factorization.

9713321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36378.

The product of its digits is 1134, while the sum is 26.

The square root of 9713321 is about 3116.6201244297. The cubic root of 9713321 is about 213.3647054015.

The spelling of 9713321 in words is "nine million, seven hundred thirteen thousand, three hundred twenty-one".