9640013 has 8 divisors (see below), whose sum is σ = 10225536. Its totient is φ = 9068400.

The previous prime is 9639997. The next prime is 9640021. The reversal of 9640013 is 3100469.

9640013 is digitally balanced in base 3, 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 9640013 - 2⁴ = 9639997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640913) 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, 2033 + ... + 4838.

It is an arithmetic number, because the mean of its divisors is an integer number (1278192).

Almost surely, 2^9640013 is an apocalyptic number.

It is an amenable number.

9640013 is a deficient number, since it is larger than the sum of its proper divisors (585523).

9640013 is a wasteful number, since it uses less digits than its factorization.

9640013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 9640013 is about 3104.8370327603. The cubic root of 9640013 is about 212.8265834113.

The spelling of 9640013 in words is "nine million, six hundred forty thousand, thirteen".