12422471 has 2 divisors, whose sum is σ = 12422472. Its totient is φ = 12422470.

The previous prime is 12422453. The next prime is 12422533. The reversal of 12422471 is 17422421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12422471 - 2⁶ = 12422407 is a prime.

It is a super-3 number, since 3×12422471³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12422401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211235 + 6211236.

It is an arithmetic number, because the mean of its divisors is an integer number (6211236).

Almost surely, 2^12422471 is an apocalyptic number.

12422471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422471 is an equidigital number, since it uses as much as digits as its factorization.

12422471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 23.

The square root of 12422471 is about 3524.5525957205. The cubic root of 12422471 is about 231.5986359484.

Adding to 12422471 its reverse (17422421), we get a palindrome (29844892).

The spelling of 12422471 in words is "twelve million, four hundred twenty-two thousand, four hundred seventy-one".