12727047 has 4 divisors (see below), whose sum is σ = 16969400. Its totient is φ = 8484696.

The previous prime is 12727021. The next prime is 12727061. The reversal of 12727047 is 74072721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12727047 - 2¹⁰ = 12726023 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 (12727007) 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, 2121172 + ... + 2121177.

It is an arithmetic number, because the mean of its divisors is an integer number (4242350).

Almost surely, 2^12727047 is an apocalyptic number.

12727047 is a deficient number, since it is larger than the sum of its proper divisors (4242353).

12727047 is an equidigital number, since it uses as much as digits as its factorization.

12727047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242352.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12727047 is about 3567.4987035737. The cubic root of 12727047 is about 233.4761640249.

Adding to 12727047 its reverse (74072721), we get a palindrome (86799768).

The spelling of 12727047 in words is "twelve million, seven hundred twenty-seven thousand, forty-seven".