12085897 has 2 divisors, whose sum is σ = 12085898. Its totient is φ = 12085896.

The previous prime is 12085883. The next prime is 12085903. The reversal of 12085897 is 79858021.

12085897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497401 + 5588496 = 2549^2 + 2364^2 .

It is an emirp because it is prime and its reverse (79858021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12085897 - 2²³ = 3697289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12085847) 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, 6042948 + 6042949.

It is an arithmetic number, because the mean of its divisors is an integer number (6042949).

Almost surely, 2^12085897 is an apocalyptic number.

It is an amenable number.

12085897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12085897 is an equidigital number, since it uses as much as digits as its factorization.

12085897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12085897 is about 3476.4776714370. The cubic root of 12085897 is about 229.4878142643.

The spelling of 12085897 in words is "twelve million, eighty-five thousand, eight hundred ninety-seven".