12501413 has 2 divisors, whose sum is σ = 12501414. Its totient is φ = 12501412.

The previous prime is 12501371. The next prime is 12501427. The reversal of 12501413 is 31410521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11950849 + 550564 = 3457^2 + 742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12501391 and 12501400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12501473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250706 + 6250707.

It is an arithmetic number, because the mean of its divisors is an integer number (6250707).

Almost surely, 2^12501413 is an apocalyptic number.

It is an amenable number.

12501413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501413 is an equidigital number, since it uses as much as digits as its factorization.

12501413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12501413 is about 3535.7337286623. The cubic root of 12501413 is about 232.0881861045.

Adding to 12501413 its reverse (31410521), we get a palindrome (43911934).

The spelling of 12501413 in words is "twelve million, five hundred one thousand, four hundred thirteen".