12548257 has 2 divisors, whose sum is σ = 12548258. Its totient is φ = 12548256.

The previous prime is 12548231. The next prime is 12548267. The reversal of 12548257 is 75284521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 4016016 = 2921^2 + 2004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12548257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12548267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274128 + 6274129.

It is an arithmetic number, because the mean of its divisors is an integer number (6274129).

Almost surely, 2^12548257 is an apocalyptic number.

It is an amenable number.

12548257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548257 is an equidigital number, since it uses as much as digits as its factorization.

12548257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 12548257 is about 3542.3519023383. The cubic root of 12548257 is about 232.3777103843.

The spelling of 12548257 in words is "twelve million, five hundred forty-eight thousand, two hundred fifty-seven".