9865013 has 8 divisors (see below), whose sum is σ = 10108608. Its totient is φ = 9624384.

The previous prime is 9865007. The next prime is 9865021. The reversal of 9865013 is 3105689.

9865013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9865013 - 2⁶ = 9864949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9865033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6920 + ... + 8222.

It is an arithmetic number, because the mean of its divisors is an integer number (1263576).

Almost surely, 2^9865013 is an apocalyptic number.

It is an amenable number.

9865013 is a deficient number, since it is larger than the sum of its proper divisors (243595).

9865013 is a wasteful number, since it uses less digits than its factorization.

9865013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9865013 is about 3140.8618244043. The cubic root of 9865013 is about 214.4696718531.

The spelling of 9865013 in words is "nine million, eight hundred sixty-five thousand, thirteen".