12530057 has 2 divisors, whose sum is σ = 12530058. Its totient is φ = 12530056.

The previous prime is 12530039. The next prime is 12530069. The reversal of 12530057 is 75003521.

12530057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 942841 = 3404^2 + 971^2 .

It is an emirp because it is prime and its reverse (75003521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12530057 - 2⁸ = 12529801 is a prime.

It is not a weakly prime, because it can be changed into another prime (12530017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265028 + 6265029.

It is an arithmetic number, because the mean of its divisors is an integer number (6265029).

Almost surely, 2^12530057 is an apocalyptic number.

It is an amenable number.

12530057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530057 is an equidigital number, since it uses as much as digits as its factorization.

12530057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 12530057 is about 3539.7820554379. The cubic root of 12530057 is about 232.2653090978.

Adding to 12530057 its reverse (75003521), we get a palindrome (87533578).

The spelling of 12530057 in words is "twelve million, five hundred thirty thousand, fifty-seven".