12538297 has 2 divisors, whose sum is σ = 12538298. Its totient is φ = 12538296.

The previous prime is 12538283. The next prime is 12538307. The reversal of 12538297 is 79283521.

12538297 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., 6677056 + 5861241 = 2584^2 + 2421^2 .

It is an emirp because it is prime and its reverse (79283521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12538297 is a prime.

It is not a weakly prime, because it can be changed into another prime (12538277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6269148 + 6269149.

It is an arithmetic number, because the mean of its divisors is an integer number (6269149).

Almost surely, 2^12538297 is an apocalyptic number.

It is an amenable number.

12538297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12538297 is an equidigital number, since it uses as much as digits as its factorization.

12538297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 12538297 is about 3540.9457776137. The cubic root of 12538297 is about 232.3162119460.

The spelling of 12538297 in words is "twelve million, five hundred thirty-eight thousand, two hundred ninety-seven".