12482521 has 2 divisors, whose sum is σ = 12482522. Its totient is φ = 12482520.

The previous prime is 12482501. The next prime is 12482551. The reversal of 12482521 is 12528421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3956121 = 2920^2 + 1989^2 .

It is an emirp because it is prime and its reverse (12528421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12482521 - 2⁹ = 12482009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12482501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6241260 + 6241261.

It is an arithmetic number, because the mean of its divisors is an integer number (6241261).

Almost surely, 2^12482521 is an apocalyptic number.

It is an amenable number.

12482521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12482521 is an equidigital number, since it uses as much as digits as its factorization.

12482521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 25.

The square root of 12482521 is about 3533.0611373142. The cubic root of 12482521 is about 231.9712174460.

The spelling of 12482521 in words is "twelve million, four hundred eighty-two thousand, five hundred twenty-one".