9712243 has 4 divisors (see below), whose sum is σ = 9753120. Its totient is φ = 9671368.

The previous prime is 9712231. The next prime is 9712259. The reversal of 9712243 is 3422179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9712243 - 2¹⁷ = 9581171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9712273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20080 + ... + 20557.

It is an arithmetic number, because the mean of its divisors is an integer number (2438280).

Almost surely, 2^9712243 is an apocalyptic number.

9712243 is a deficient number, since it is larger than the sum of its proper divisors (40877).

9712243 is a wasteful number, since it uses less digits than its factorization.

9712243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40876.

The product of its digits is 3024, while the sum is 28.

The square root of 9712243 is about 3116.4471758719. The cubic root of 9712243 is about 213.3568119233.

Subtracting from 9712243 its reverse (3422179), we obtain a square (6290064 = 2508²).

The spelling of 9712243 in words is "nine million, seven hundred twelve thousand, two hundred forty-three".