12768123 has 16 divisors (see below), whose sum is σ = 17440640. Its totient is φ = 8306496.

The previous prime is 12768121. The next prime is 12768137. The reversal of 12768123 is 32186721.

It is not a de Polignac number, because 12768123 - 2¹ = 12768121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12768121) 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, 27711 + ... + 28167.

It is an arithmetic number, because the mean of its divisors is an integer number (1090040).

Almost surely, 2^12768123 is an apocalyptic number.

12768123 is a deficient number, since it is larger than the sum of its proper divisors (4672517).

12768123 is a wasteful number, since it uses less digits than its factorization.

12768123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its digits is 4032, while the sum is 30.

The square root of 12768123 is about 3573.2510407191. The cubic root of 12768123 is about 233.7270723983.

The spelling of 12768123 in words is "twelve million, seven hundred sixty-eight thousand, one hundred twenty-three".