12507371 has 2 divisors, whose sum is σ = 12507372. Its totient is φ = 12507370.

The previous prime is 12507347. The next prime is 12507373. The reversal of 12507371 is 17370521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12507371 is a prime.

Together with 12507373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12507371.

It is not a weakly prime, because it can be changed into another prime (12507373) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253685 + 6253686.

It is an arithmetic number, because the mean of its divisors is an integer number (6253686).

Almost surely, 2^12507371 is an apocalyptic number.

12507371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507371 is an equidigital number, since it uses as much as digits as its factorization.

12507371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 12507371 is about 3536.5761691218. The cubic root of 12507371 is about 232.1250502520.

Adding to 12507371 its reverse (17370521), we get a palindrome (29877892).

The spelling of 12507371 in words is "twelve million, five hundred seven thousand, three hundred seventy-one".