9712661 has 8 divisors (see below), whose sum is σ = 11753280. Its totient is φ = 7835328.

The previous prime is 9712609. The next prime is 9712669. The reversal of 9712661 is 1662179.

It is a happy number.

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 9712661 - 2¹⁴ = 9696277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712669) 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, 40691 + ... + 40928.

It is an arithmetic number, because the mean of its divisors is an integer number (1469160).

Almost surely, 2^9712661 is an apocalyptic number.

It is an amenable number.

9712661 is a deficient number, since it is larger than the sum of its proper divisors (2040619).

9712661 is a wasteful number, since it uses less digits than its factorization.

9712661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81643.

The product of its digits is 4536, while the sum is 32.

The square root of 9712661 is about 3116.5142386968. The cubic root of 9712661 is about 213.3598727291.

The spelling of 9712661 in words is "nine million, seven hundred twelve thousand, six hundred sixty-one".