12471127 has 2 divisors, whose sum is σ = 12471128. Its totient is φ = 12471126.

The previous prime is 12471113. The next prime is 12471133. The reversal of 12471127 is 72117421.

It is a strong prime.

It is an emirp because it is prime and its reverse (72117421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12471127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235563 + 6235564.

It is an arithmetic number, because the mean of its divisors is an integer number (6235564).

Almost surely, 2^12471127 is an apocalyptic number.

12471127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471127 is an equidigital number, since it uses as much as digits as its factorization.

12471127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 25.

The square root of 12471127 is about 3531.4482864683. The cubic root of 12471127 is about 231.9006151305.

Adding to 12471127 its reverse (72117421), we get a palindrome (84588548).

The spelling of 12471127 in words is "twelve million, four hundred seventy-one thousand, one hundred twenty-seven".