9818113 has 4 divisors (see below), whose sum is σ = 9964720. Its totient is φ = 9671508.

The previous prime is 9818111. The next prime is 9818143. The reversal of 9818113 is 3118189.

9818113 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 an emirpimes, since its reverse is a distinct semiprime: 3118189 = 277 ⋅11257.

It is a cyclic number.

It is not a de Polignac number, because 9818113 - 2¹ = 9818111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9818111) 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, 73203 + ... + 73336.

It is an arithmetic number, because the mean of its divisors is an integer number (2491180).

It is a Proth number, since it is equal to 2397 ⋅ 2¹² + 1 and 2397 < 2¹².

Almost surely, 2^9818113 is an apocalyptic number.

It is an amenable number.

9818113 is a deficient number, since it is larger than the sum of its proper divisors (146607).

9818113 is a wasteful number, since it uses less digits than its factorization.

9818113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146606.

The product of its digits is 1728, while the sum is 31.

The square root of 9818113 is about 3133.3868257845. The cubic root of 9818113 is about 214.1292563529.

The spelling of 9818113 in words is "nine million, eight hundred eighteen thousand, one hundred thirteen".