12750613 has 2 divisors, whose sum is σ = 12750614. Its totient is φ = 12750612.

The previous prime is 12750611. The next prime is 12750637. The reversal of 12750613 is 31605721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 4588164 = 2857^2 + 2142^2 .

It is a cyclic number.

It is not a de Polignac number, because 12750613 - 2¹ = 12750611 is a prime.

Together with 12750611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12750611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375306 + 6375307.

It is an arithmetic number, because the mean of its divisors is an integer number (6375307).

Almost surely, 2^12750613 is an apocalyptic number.

It is an amenable number.

12750613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750613 is an equidigital number, since it uses as much as digits as its factorization.

12750613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12750613 is about 3570.8000504089. The cubic root of 12750613 is about 233.6201803284.

The spelling of 12750613 in words is "twelve million, seven hundred fifty thousand, six hundred thirteen".