12647811134 has 8 divisors (see below), whose sum is σ = 21681961968. Its totient is φ = 5420490480.

The previous prime is 12647811131. The next prime is 12647811157. The reversal of 12647811134 is 43111874621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647811131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451707527 + ... + 451707554.

It is an arithmetic number, because the mean of its divisors is an integer number (2710245246).

Almost surely, 2^12647811134 is an apocalyptic number.

12647811134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12647811134 is a deficient number, since it is larger than the sum of its proper divisors (9034150834).

12647811134 is an equidigital number, since it uses as much as digits as its factorization.

12647811134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903415090.

The product of its digits is 32256, while the sum is 38.

The spelling of 12647811134 in words is "twelve billion, six hundred forty-seven million, eight hundred eleven thousand, one hundred thirty-four".