12247471 has 2 divisors, whose sum is σ = 12247472. Its totient is φ = 12247470.

The previous prime is 12247453. The next prime is 12247507. The reversal of 12247471 is 17474221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12247471 - 2¹⁷ = 12116399 is a prime.

It is a super-3 number, since 3×12247471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12247441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123735 + 6123736.

It is an arithmetic number, because the mean of its divisors is an integer number (6123736).

Almost surely, 2^12247471 is an apocalyptic number.

12247471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247471 is an equidigital number, since it uses as much as digits as its factorization.

12247471 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12247471 is about 3499.6386956370. The cubic root of 12247471 is about 230.5059498467.

The spelling of 12247471 in words is "twelve million, two hundred forty-seven thousand, four hundred seventy-one".