12989865767 has 8 divisors (see below), whose sum is σ = 13787611200. Its totient is φ = 12195857664.

The previous prime is 12989865701. The next prime is 12989865769. The reversal of 12989865767 is 76756898921.

It is a happy number.

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

It is not a de Polignac number, because 12989865767 - 2¹⁰ = 12989864743 is a prime.

It is a super-2 number, since 2×12989865767² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12989865697 and 12989865706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989865769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927167 + ... + 941072.

It is an arithmetic number, because the mean of its divisors is an integer number (1723451400).

Almost surely, 2^12989865767 is an apocalyptic number.

12989865767 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12989865767 is a deficient number, since it is larger than the sum of its proper divisors (797745433).

12989865767 is a wasteful number, since it uses less digits than its factorization.

12989865767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868665.

The product of its digits is 91445760, while the sum is 68.

The spelling of 12989865767 in words is "twelve billion, nine hundred eighty-nine million, eight hundred sixty-five thousand, seven hundred sixty-seven".