12651313 has 2 divisors, whose sum is σ = 12651314. Its totient is φ = 12651312.

The previous prime is 12651293. The next prime is 12651323. The reversal of 12651313 is 31315621.

It is a happy number.

12651313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10543009 + 2108304 = 3247^2 + 1452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651313 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325656 + 6325657.

It is an arithmetic number, because the mean of its divisors is an integer number (6325657).

Almost surely, 2^12651313 is an apocalyptic number.

It is an amenable number.

12651313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651313 is an equidigital number, since it uses as much as digits as its factorization.

12651313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 12651313 is about 3556.8684260175. The cubic root of 12651313 is about 233.0121319673.

Adding to 12651313 its reverse (31315621), we get a palindrome (43966934).

The spelling of 12651313 in words is "twelve million, six hundred fifty-one thousand, three hundred thirteen".