12528293 has 2 divisors, whose sum is σ = 12528294. Its totient is φ = 12528292.

The previous prime is 12528289. The next prime is 12528301. The reversal of 12528293 is 39282521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 6061444 = 2543^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 12528293 - 2² = 12528289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12528233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264146 + 6264147.

It is an arithmetic number, because the mean of its divisors is an integer number (6264147).

Almost surely, 2^12528293 is an apocalyptic number.

It is an amenable number.

12528293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528293 is an equidigital number, since it uses as much as digits as its factorization.

12528293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 12528293 is about 3539.5328787850. The cubic root of 12528293 is about 232.2544090348.

It can be divided in two parts, 12528 and 293, that added together give a palindrome (12821).

The spelling of 12528293 in words is "twelve million, five hundred twenty-eight thousand, two hundred ninety-three".