12667928005 has 8 divisors (see below), whose sum is σ = 15242936832. Its totient is φ = 10106726928.

The previous prime is 12667928003. The next prime is 12667928023. The reversal of 12667928005 is 50082976621.

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 12667928005 - 2¹ = 12667928003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667928003) 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, 3449917 + ... + 3453586.

It is an arithmetic number, because the mean of its divisors is an integer number (1905367104).

Almost surely, 2^12667928005 is an apocalyptic number.

It is an amenable number.

12667928005 is a deficient number, since it is larger than the sum of its proper divisors (2575008827).

12667928005 is an equidigital number, since it uses as much as digits as its factorization.

12667928005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903875.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12667928005 in words is "twelve billion, six hundred sixty-seven million, nine hundred twenty-eight thousand, five".