12727247 has 8 divisors (see below), whose sum is σ = 13900320. Its totient is φ = 11581920.

The previous prime is 12727243. The next prime is 12727249. The reversal of 12727247 is 74272721.

It is a happy number.

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 12727247 - 2² = 12727243 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 (12727243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (1737540).

Almost surely, 2^12727247 is an apocalyptic number.

12727247 is a deficient number, since it is larger than the sum of its proper divisors (1173073).

12727247 is a wasteful number, since it uses less digits than its factorization.

12727247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873.

The product of its digits is 10976, while the sum is 32.

The square root of 12727247 is about 3567.5267343077. The cubic root of 12727247 is about 233.4773870106.

Adding to 12727247 its reverse (74272721), we get a palindrome (86999968).

The spelling of 12727247 in words is "twelve million, seven hundred twenty-seven thousand, two hundred forty-seven".