12471427 has 2 divisors, whose sum is σ = 12471428. Its totient is φ = 12471426.

The previous prime is 12471413. The next prime is 12471457. The reversal of 12471427 is 72417421.

12471427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (72417421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12471427 - 2⁷ = 12471299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12471395 and 12471404.

It is not a weakly prime, because it can be changed into another prime (12471457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235713 + 6235714.

It is an arithmetic number, because the mean of its divisors is an integer number (6235714).

Almost surely, 2^12471427 is an apocalyptic number.

12471427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471427 is an equidigital number, since it uses as much as digits as its factorization.

12471427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 12471427 is about 3531.4907617039. The cubic root of 12471427 is about 231.9024746156.

Adding to 12471427 its reverse (72417421), we get a palindrome (84888848).

The spelling of 12471427 in words is "twelve million, four hundred seventy-one thousand, four hundred twenty-seven".