9713987 has 8 divisors (see below), whose sum is σ = 10332432. Its totient is φ = 9100800.

The previous prime is 9713969. The next prime is 9713989. The reversal of 9713987 is 7893179.

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 9713987 - 2¹² = 9709891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9713989) 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, 2912 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (1291554).

Almost surely, 2^9713987 is an apocalyptic number.

9713987 is a deficient number, since it is larger than the sum of its proper divisors (618445).

9713987 is a wasteful number, since it uses less digits than its factorization.

9713987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 95256, while the sum is 44.

The square root of 9713987 is about 3116.7269691136. The cubic root of 9713987 is about 213.3695817854.

The spelling of 9713987 in words is "nine million, seven hundred thirteen thousand, nine hundred eighty-seven".