9945713 has 4 divisors (see below), whose sum is σ = 9956580. Its totient is φ = 9934848.

The previous prime is 9945709. The next prime is 9945743. The reversal of 9945713 is 3175499.

It is a happy number.

9945713 is digitally balanced in base 2, 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3175499 = 1777 ⋅1787.

It can be written as a sum of positive squares in 2 ways, for example, as 3356224 + 6589489 = 1832^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 9945713 - 2² = 9945709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9945743) 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, 3920 + ... + 5937.

It is an arithmetic number, because the mean of its divisors is an integer number (2489145).

Almost surely, 2^9945713 is an apocalyptic number.

It is an amenable number.

9945713 is a deficient number, since it is larger than the sum of its proper divisors (10867).

9945713 is a wasteful number, since it uses less digits than its factorization.

9945713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866.

The product of its digits is 34020, while the sum is 38.

The square root of 9945713 is about 3153.6824507233. The cubic root of 9945713 is about 215.0529020713.

The spelling of 9945713 in words is "nine million, nine hundred forty-five thousand, seven hundred thirteen".