13229127697 has 2 divisors, whose sum is σ = 13229127698. Its totient is φ = 13229127696.

The previous prime is 13229127683. The next prime is 13229127731. The reversal of 13229127697 is 79672192231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13225920016 + 3207681 = 115004^2 + 1791^2 .

It is a cyclic number.

It is not a de Polignac number, because 13229127697 - 2¹⁵ = 13229094929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13229127697.

It is not a weakly prime, because it can be changed into another prime (13229127497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614563848 + 6614563849.

It is an arithmetic number, because the mean of its divisors is an integer number (6614563849).

Almost surely, 2^13229127697 is an apocalyptic number.

It is an amenable number.

13229127697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13229127697 is an equidigital number, since it uses as much as digits as its factorization.

13229127697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The spelling of 13229127697 in words is "thirteen billion, two hundred twenty-nine million, one hundred twenty-seven thousand, six hundred ninety-seven".