12744291947 has 8 divisors (see below), whose sum is σ = 13185400800. Its totient is φ = 12303293184.

The previous prime is 12744291943. The next prime is 12744291953. The reversal of 12744291947 is 74919244721.

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 12744291947 - 2² = 12744291943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12744291895 and 12744291904.

It is not an unprimeable number, because it can be changed into a prime (12744291943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258554 + ... + 303872.

It is an arithmetic number, because the mean of its divisors is an integer number (1648175100).

Almost surely, 2^12744291947 is an apocalyptic number.

12744291947 is a deficient number, since it is larger than the sum of its proper divisors (441108853).

12744291947 is an equidigital number, since it uses as much as digits as its factorization.

12744291947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55045.

The product of its digits is 1016064, while the sum is 50.

The spelling of 12744291947 in words is "twelve billion, seven hundred forty-four million, two hundred ninety-one thousand, nine hundred forty-seven".