13947568127 has 4 divisors (see below), whose sum is σ = 14681650680. Its totient is φ = 13213485576.

The previous prime is 13947568123. The next prime is 13947568133. The reversal of 13947568127 is 72186574931.

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 13947568127 - 2² = 13947568123 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 (13947568123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367041248 + ... + 367041285.

It is an arithmetic number, because the mean of its divisors is an integer number (3670412670).

Almost surely, 2^13947568127 is an apocalyptic number.

13947568127 is a deficient number, since it is larger than the sum of its proper divisors (734082553).

13947568127 is an equidigital number, since it uses as much as digits as its factorization.

13947568127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734082552.

The product of its digits is 2540160, while the sum is 53.

The spelling of 13947568127 in words is "thirteen billion, nine hundred forty-seven million, five hundred sixty-eight thousand, one hundred twenty-seven".