12310889 has 2 divisors, whose sum is σ = 12310890. Its totient is φ = 12310888.

The previous prime is 12310871. The next prime is 12310913. The reversal of 12310889 is 98801321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7795264 + 4515625 = 2792^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310889 - 2¹⁶ = 12245353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12310849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155444 + 6155445.

It is an arithmetic number, because the mean of its divisors is an integer number (6155445).

Almost surely, 2^12310889 is an apocalyptic number.

It is an amenable number.

12310889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310889 is an equidigital number, since it uses as much as digits as its factorization.

12310889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12310889 is about 3508.6876464000. The cubic root of 12310889 is about 230.9031221109.

The spelling of 12310889 in words is "twelve million, three hundred ten thousand, eight hundred eighty-nine".