12727927533 has 4 divisors (see below), whose sum is σ = 16970570048. Its totient is φ = 8485285020.

The previous prime is 12727927501. The next prime is 12727927549. The reversal of 12727927533 is 33572972721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33572972721 = 3 ⋅11190990907.

It is not a de Polignac number, because 12727927533 - 2⁵ = 12727927501 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 (12727927033) 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, 2121321253 + ... + 2121321258.

It is an arithmetic number, because the mean of its divisors is an integer number (4242642512).

Almost surely, 2^12727927533 is an apocalyptic number.

It is an amenable number.

12727927533 is a deficient number, since it is larger than the sum of its proper divisors (4242642515).

12727927533 is an equidigital number, since it uses as much as digits as its factorization.

12727927533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242642514.

The product of its digits is 1111320, while the sum is 48.

The spelling of 12727927533 in words is "twelve billion, seven hundred twenty-seven million, nine hundred twenty-seven thousand, five hundred thirty-three".