9813697 has 4 divisors (see below), whose sum is σ = 9820096. Its totient is φ = 9807300.

The previous prime is 9813679. The next prime is 9813703. The reversal of 9813697 is 7963189.

9813697 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 7963189 = 13 ⋅612553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9813697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9813677) 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 3 ways as a sum of consecutive naturals, for example, 628 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (2455024).

Almost surely, 2^9813697 is an apocalyptic number.

It is an amenable number.

9813697 is a deficient number, since it is larger than the sum of its proper divisors (6399).

9813697 is a wasteful number, since it uses less digits than its factorization.

9813697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its digits is 81648, while the sum is 43.

The square root of 9813697 is about 3132.6820777091. The cubic root of 9813697 is about 214.0971477864.

The spelling of 9813697 in words is "nine million, eight hundred thirteen thousand, six hundred ninety-seven".