12698569927 has 8 divisors (see below), whose sum is σ = 13020582816. Its totient is φ = 12379609632.

The previous prime is 12698569913. The next prime is 12698569937. The reversal of 12698569927 is 72996589621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12698569927 - 2⁷ = 12698569799 is a prime.

It is a super-2 number, since 2×12698569927² (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 (12698569937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754723 + ... + 771364.

It is an arithmetic number, because the mean of its divisors is an integer number (1627572852).

Almost surely, 2^12698569927 is an apocalyptic number.

12698569927 is a deficient number, since it is larger than the sum of its proper divisors (322012889).

12698569927 is a wasteful number, since it uses less digits than its factorization.

12698569927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526297.

The product of its digits is 29393280, while the sum is 64.

The spelling of 12698569927 in words is "twelve billion, six hundred ninety-eight million, five hundred sixty-nine thousand, nine hundred twenty-seven".