12503297 has 2 divisors, whose sum is σ = 12503298. Its totient is φ = 12503296.

The previous prime is 12503243. The next prime is 12503317. The reversal of 12503297 is 79230521.

It is a Cunningham number, because it is equal to 3536²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 1 = 3536^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 12503297 - 2⁶ = 12503233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12503797) 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, 6251648 + 6251649.

It is an arithmetic number, because the mean of its divisors is an integer number (6251649).

Almost surely, 2^12503297 is an apocalyptic number.

It is an amenable number.

12503297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12503297 is an equidigital number, since it uses as much as digits as its factorization.

12503297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12503297 is about 3536.0001414027. Note that the first 3 decimals coincide. The cubic root of 12503297 is about 232.0998443115.

The spelling of 12503297 in words is "twelve million, five hundred three thousand, two hundred ninety-seven".