9937313 has 4 divisors (see below), whose sum is σ = 9943620. Its totient is φ = 9931008.

The previous prime is 9937309. The next prime is 9937321. The reversal of 9937313 is 3137399.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9048064 + 889249 = 3008^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 9937313 - 2² = 9937309 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9937013) 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, 1481 + ... + 4697.

It is an arithmetic number, because the mean of its divisors is an integer number (2485905).

Almost surely, 2^9937313 is an apocalyptic number.

It is an amenable number.

9937313 is a deficient number, since it is larger than the sum of its proper divisors (6307).

9937313 is a wasteful number, since it uses less digits than its factorization.

9937313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306.

The product of its digits is 15309, while the sum is 35.

The square root of 9937313 is about 3152.3503929608. The cubic root of 9937313 is about 214.9923415336.

The spelling of 9937313 in words is "nine million, nine hundred thirty-seven thousand, three hundred thirteen".