12452081 has 2 divisors, whose sum is σ = 12452082. Its totient is φ = 12452080.

The previous prime is 12452053. The next prime is 12452093. The reversal of 12452081 is 18025421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 4840000 = 2759^2 + 2200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12452081 is a prime.

It is a super-2 number, since 2×12452081² = 310108642461122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12452681) 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, 6226040 + 6226041.

It is an arithmetic number, because the mean of its divisors is an integer number (6226041).

Almost surely, 2^12452081 is an apocalyptic number.

It is an amenable number.

12452081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452081 is an equidigital number, since it uses as much as digits as its factorization.

12452081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12452081 is about 3528.7506287637. The cubic root of 12452081 is about 231.7825015210.

The spelling of 12452081 in words is "twelve million, four hundred fifty-two thousand, eighty-one".