12085321 has 2 divisors, whose sum is σ = 12085322. Its totient is φ = 12085320.

The previous prime is 12085303. The next prime is 12085331. The reversal of 12085321 is 12358021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6702921 + 5382400 = 2589^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12085321 - 2¹³ = 12077129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12085292 and 12085301.

It is not a weakly prime, because it can be changed into another prime (12085331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6042660 + 6042661.

It is an arithmetic number, because the mean of its divisors is an integer number (6042661).

Almost surely, 2^12085321 is an apocalyptic number.

It is an amenable number.

12085321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12085321 is an equidigital number, since it uses as much as digits as its factorization.

12085321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12085321 is about 3476.3948279791. The cubic root of 12085321 is about 229.4841684977.

The spelling of 12085321 in words is "twelve million, eighty-five thousand, three hundred twenty-one".