12385081 has 2 divisors, whose sum is σ = 12385082. Its totient is φ = 12385080.

The previous prime is 12385073. The next prime is 12385159. The reversal of 12385081 is 18058321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9357481 + 3027600 = 3059^2 + 1740^2 .

It is an emirp because it is prime and its reverse (18058321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12385081 - 2³ = 12385073 is a prime.

It is a super-2 number, since 2×12385081² = 306780462753122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12385031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192540 + 6192541.

It is an arithmetic number, because the mean of its divisors is an integer number (6192541).

Almost surely, 2^12385081 is an apocalyptic number.

It is an amenable number.

12385081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12385081 is an equidigital number, since it uses as much as digits as its factorization.

12385081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12385081 is about 3519.2443791246. The cubic root of 12385081 is about 231.3660419792.

The spelling of 12385081 in words is "twelve million, three hundred eighty-five thousand, eighty-one".