12286081 has 2 divisors, whose sum is σ = 12286082. Its totient is φ = 12286080.

The previous prime is 12286073. The next prime is 12286091. The reversal of 12286081 is 18068221.

12286081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8503056 + 3783025 = 2916^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 12286081 - 2³ = 12286073 is a prime.

It is a super-2 number, since 2×12286081² = 301895572677122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12286051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143040 + 6143041.

It is an arithmetic number, because the mean of its divisors is an integer number (6143041).

Almost surely, 2^12286081 is an apocalyptic number.

It is an amenable number.

12286081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12286081 is an equidigital number, since it uses as much as digits as its factorization.

12286081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12286081 is about 3505.1506387030. The cubic root of 12286081 is about 230.7479181372.

The spelling of 12286081 in words is "twelve million, two hundred eighty-six thousand, eighty-one".