12736267747 has 8 divisors (see below), whose sum is σ = 14731105536. Its totient is φ = 10785272712.

The previous prime is 12736267727. The next prime is 12736267751. The reversal of 12736267747 is 74776263721.

It is a happy number.

12736267747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12736267747 is a prime.

It is a super-2 number, since 2×12736267747² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12736267694 and 12736267703.

It is not an unprimeable number, because it can be changed into a prime (12736267717) 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 7 ways as a sum of consecutive naturals, for example, 10960063 + ... + 10961224.

It is an arithmetic number, because the mean of its divisors is an integer number (1841388192).

Almost surely, 2^12736267747 is an apocalyptic number.

12736267747 is a deficient number, since it is larger than the sum of its proper divisors (1994837789).

12736267747 is an equidigital number, since it uses as much as digits as its factorization.

12736267747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921377.

The product of its digits is 4148928, while the sum is 52.

The spelling of 12736267747 in words is "twelve billion, seven hundred thirty-six million, two hundred sixty-seven thousand, seven hundred forty-seven".