12914226887769 has 45 divisors (see below), whose sum is σ = 19388004559077. Its totient is φ = 8566684375176.

The previous prime is 12914226887741. The next prime is 12914226887777. The reversal of 12914226887769 is 96778862241921.

It is a happy number.

The square root of 12914226887769 is 3593637.

It is a perfect power (a square), and thus also a powerful number.

12914226887769 is a `hidden beast` number, since 1 + 2 + 9 + 1 + 422 + 68 + 87 + 7 + 69 = 666.

It is not a de Polignac number, because 12914226887769 - 2¹⁹ = 12914226363481 is a prime.

It is a super-2 number, since 2×12914226887769² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12914226887697 and 12914226887706.

It is not an unprimeable number, because it can be changed into a prime (12914226887729) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7341799512 + ... + 7341801270.

Almost surely, 2^{12914226887769} is an apocalyptic number.

12914226887769 is the 3593637-th square number.

12914226887769 is the 1796819-th centered octagonal number.

It is an amenable number.

12914226887769 is a deficient number, since it is larger than the sum of its proper divisors (6473777671308).

12914226887769 is an frugal number, since it uses more digits than its factorization.

12914226887769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984 (or 1989 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 12914226887769 in words is "twelve trillion, nine hundred fourteen billion, two hundred twenty-six million, eight hundred eighty-seven thousand, seven hundred sixty-nine".