12897067469 has 16 divisors (see below), whose sum is σ = 15185620800. Its totient is φ = 10798556160.

The previous prime is 12897067387. The next prime is 12897067499. The reversal of 12897067469 is 96476079821.

It is a cyclic number.

It is not a de Polignac number, because 12897067469 - 2⁸ = 12897067213 is a prime.

It is a super-2 number, since 2×12897067469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12897067499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36227 + ... + 164640.

It is an arithmetic number, because the mean of its divisors is an integer number (949101300).

Almost surely, 2^12897067469 is an apocalyptic number.

It is an amenable number.

12897067469 is a deficient number, since it is larger than the sum of its proper divisors (2288553331).

12897067469 is a wasteful number, since it uses less digits than its factorization.

12897067469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201340.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 12897067469 in words is "twelve billion, eight hundred ninety-seven million, sixty-seven thousand, four hundred sixty-nine".