9745813 has 16 divisors (see below), whose sum is σ = 12681216. Its totient is φ = 7262640.

The previous prime is 9745789. The next prime is 9745817. The reversal of 9745813 is 3185479.

9745813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9745813 - 2⁵ = 9745781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (792576).

Almost surely, 2^9745813 is an apocalyptic number.

It is an amenable number.

9745813 is a deficient number, since it is larger than the sum of its proper divisors (2935403).

9745813 is a wasteful number, since it uses less digits than its factorization.

9745813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its digits is 30240, while the sum is 37.

The square root of 9745813 is about 3121.8284706242. The cubic root of 9745813 is about 213.6023491561.

The spelling of 9745813 in words is "nine million, seven hundred forty-five thousand, eight hundred thirteen".