12896969377 has 4 divisors (see below), whose sum is σ = 13457707200. Its totient is φ = 12336231556.

The previous prime is 12896969333. The next prime is 12896969387. The reversal of 12896969377 is 77396969821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12896969377 - 2⁷ = 12896969249 is a prime.

It is a super-2 number, since 2×12896969377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12896969387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280368877 + ... + 280368922.

It is an arithmetic number, because the mean of its divisors is an integer number (3364426800).

Almost surely, 2^12896969377 is an apocalyptic number.

It is an amenable number.

12896969377 is a deficient number, since it is larger than the sum of its proper divisors (560737823).

12896969377 is an equidigital number, since it uses as much as digits as its factorization.

12896969377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560737822.

The product of its digits is 61725888, while the sum is 67.

The spelling of 12896969377 in words is "twelve billion, eight hundred ninety-six million, nine hundred sixty-nine thousand, three hundred seventy-seven".