12786336928297 has 2 divisors, whose sum is σ = 12786336928298. Its totient is φ = 12786336928296.

The previous prime is 12786336928243. The next prime is 12786336928303. The reversal of 12786336928297 is 79282963368721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10703340387216 + 2082996541081 = 3271596^2 + 1443259^2 .

It is a cyclic number.

It is not a de Polignac number, because 12786336928297 - 2¹¹ = 12786336926249 is a prime.

It is a super-2 number, since 2×12786336928297² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12786336928217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6393168464148 + 6393168464149.

It is an arithmetic number, because the mean of its divisors is an integer number (6393168464149).

Almost surely, 2^{12786336928297} is an apocalyptic number.

It is an amenable number.

12786336928297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12786336928297 is an equidigital number, since it uses as much as digits as its factorization.

12786336928297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 73.

The spelling of 12786336928297 in words is "twelve trillion, seven hundred eighty-six billion, three hundred thirty-six million, nine hundred twenty-eight thousand, two hundred ninety-seven".