12501311 has 2 divisors, whose sum is σ = 12501312. Its totient is φ = 12501310.

The previous prime is 12501283. The next prime is 12501317. The reversal of 12501311 is 11310521.

It is a strong prime.

It is an emirp because it is prime and its reverse (11310521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12501311 - 2²² = 8307007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12501317) 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, 6250655 + 6250656.

It is an arithmetic number, because the mean of its divisors is an integer number (6250656).

Almost surely, 2^12501311 is an apocalyptic number.

12501311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501311 is an equidigital number, since it uses as much as digits as its factorization.

12501311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12501311 is about 3535.7193044697. The cubic root of 12501311 is about 232.0875548943.

Adding to 12501311 its reverse (11310521), we get a palindrome (23811832).

The spelling of 12501311 in words is "twelve million, five hundred one thousand, three hundred eleven".