9961713 has 12 divisors (see below), whose sum is σ = 14494480. Its totient is φ = 6592536.

The previous prime is 9961687. The next prime is 9961723. The reversal of 9961713 is 3171699.

It is not a de Polignac number, because 9961713 - 2⁶ = 9961649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9961723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2731 + ... + 5232.

Almost surely, 2^9961713 is an apocalyptic number.

It is an amenable number.

9961713 is a deficient number, since it is larger than the sum of its proper divisors (4532767).

9961713 is a wasteful number, since it uses less digits than its factorization.

9961713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8105 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 9961713 is about 3156.2181483541. The cubic root of 9961713 is about 215.1681612101.

The spelling of 9961713 in words is "nine million, nine hundred sixty-one thousand, seven hundred thirteen".