12889627378723 has 8 divisors (see below), whose sum is σ = 13820598233280. Its totient is φ = 11977851799680.

The previous prime is 12889627378673. The next prime is 12889627378811. The reversal of 12889627378723 is 32787372698821.

It is a happy number.

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 12889627378723 - 2¹³ = 12889627370531 is a prime.

It is a super-2 number, since 2×12889627378723² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12889627378123) 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, 4798817488 + ... + 4798820173.

It is an arithmetic number, because the mean of its divisors is an integer number (1727574779160).

Almost surely, 2^{12889627378723} is an apocalyptic number.

12889627378723 is a deficient number, since it is larger than the sum of its proper divisors (930970854557).

12889627378723 is an equidigital number, since it uses as much as digits as its factorization.

12889627378723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9597637757.

The product of its digits is 682795008, while the sum is 73.

The spelling of 12889627378723 in words is "twelve trillion, eight hundred eighty-nine billion, six hundred twenty-seven million, three hundred seventy-eight thousand, seven hundred twenty-three".