12902436013 has 2 divisors, whose sum is σ = 12902436014. Its totient is φ = 12902436012.

The previous prime is 12902435989. The next prime is 12902436067. The reversal of 12902436013 is 31063420921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6882693444 + 6019742569 = 82962^2 + 77587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12902436013 - 2¹³ = 12902427821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12902436073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451218006 + 6451218007.

It is an arithmetic number, because the mean of its divisors is an integer number (6451218007).

Almost surely, 2^12902436013 is an apocalyptic number.

It is an amenable number.

12902436013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12902436013 is an equidigital number, since it uses as much as digits as its factorization.

12902436013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 12902436013 its reverse (31063420921), we get a palindrome (43965856934).

The spelling of 12902436013 in words is "twelve billion, nine hundred two million, four hundred thirty-six thousand, thirteen".