12501371 has 2 divisors, whose sum is σ = 12501372. Its totient is φ = 12501370.

The previous prime is 12501361. The next prime is 12501413. The reversal of 12501371 is 17310521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12501311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250685 + 6250686.

It is an arithmetic number, because the mean of its divisors is an integer number (6250686).

Almost surely, 2^12501371 is an apocalyptic number.

12501371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501371 is an equidigital number, since it uses as much as digits as its factorization.

12501371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 12501371 is about 3535.7277892960. The cubic root of 12501371 is about 232.0879261948.

Adding to 12501371 its reverse (17310521), we get a palindrome (29811892).

The spelling of 12501371 in words is "twelve million, five hundred one thousand, three hundred seventy-one".