12910013 has 2 divisors, whose sum is σ = 12910014. Its totient is φ = 12910012.

The previous prime is 12909997. The next prime is 12910031. The reversal of 12910013 is 31001921.

It is a happy number.

Together with next prime (12910031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 708964 = 3493^2 + 842^2 .

It is an emirp because it is prime and its reverse (31001921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12910013 - 2⁴ = 12909997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12909973 and 12910000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12910033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455006 + 6455007.

It is an arithmetic number, because the mean of its divisors is an integer number (6455007).

Almost surely, 2^12910013 is an apocalyptic number.

It is an amenable number.

12910013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12910013 is an equidigital number, since it uses as much as digits as its factorization.

12910013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12910013 is about 3593.0506536925. The cubic root of 12910013 is about 234.5896747880.

Adding to 12910013 its reverse (31001921), we get a palindrome (43911934).

The spelling of 12910013 in words is "twelve million, nine hundred ten thousand, thirteen".