12889923027 has 4 divisors (see below), whose sum is σ = 17186564040. Its totient is φ = 8593282016.

The previous prime is 12889923017. The next prime is 12889923031. The reversal of 12889923027 is 72032998821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12889923027 - 2²⁴ = 12873145811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12889923017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148320502 + ... + 2148320507.

It is an arithmetic number, because the mean of its divisors is an integer number (4296641010).

Almost surely, 2^12889923027 is an apocalyptic number.

12889923027 is a deficient number, since it is larger than the sum of its proper divisors (4296641013).

12889923027 is an equidigital number, since it uses as much as digits as its factorization.

12889923027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296641012.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12889923027 in words is "twelve billion, eight hundred eighty-nine million, nine hundred twenty-three thousand, twenty-seven".