12734400011 has 4 divisors (see below), whose sum is σ = 12740469000. Its totient is φ = 12728331024.

The previous prime is 12734399987. The next prime is 12734400017. The reversal of 12734400011 is 11000443721.

It is a happy number.

12734400011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12734400011 - 2⁶ = 12734399947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12734400011.

It is not an unprimeable number, because it can be changed into a prime (12734400017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031346 + ... + 3035543.

It is an arithmetic number, because the mean of its divisors is an integer number (3185117250).

Almost surely, 2^12734400011 is an apocalyptic number.

12734400011 is a deficient number, since it is larger than the sum of its proper divisors (6068989).

12734400011 is an equidigital number, since it uses as much as digits as its factorization.

12734400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068988.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12734400011 its reverse (11000443721), we get a palindrome (23734843732).

The spelling of 12734400011 in words is "twelve billion, seven hundred thirty-four million, four hundred thousand, eleven".