9712231 has 2 divisors, whose sum is σ = 9712232. Its totient is φ = 9712230.

The previous prime is 9712201. The next prime is 9712259. The reversal of 9712231 is 1322179.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9712231 - 2⁷ = 9712103 is a prime.

It is a super-2 number, since 2×9712231² = 188654861994722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9712196 and 9712205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9712201) 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 as a sum of consecutive naturals, namely, 4856115 + 4856116.

It is an arithmetic number, because the mean of its divisors is an integer number (4856116).

Almost surely, 2^9712231 is an apocalyptic number.

9712231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9712231 is an equidigital number, since it uses as much as digits as its factorization.

9712231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 9712231 is about 3116.4452506020. The cubic root of 9712231 is about 213.3567240520.

The spelling of 9712231 in words is "nine million, seven hundred twelve thousand, two hundred thirty-one".