12845471 has 2 divisors, whose sum is σ = 12845472. Its totient is φ = 12845470.

The previous prime is 12845461. The next prime is 12845491. The reversal of 12845471 is 17454821.

It is a happy number.

12845471 is digitally balanced in base 3, 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 (17454821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12845471 - 2¹⁴ = 12829087 is a prime.

It is a super-3 number, since 3×12845471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12845411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422735 + 6422736.

It is an arithmetic number, because the mean of its divisors is an integer number (6422736).

Almost surely, 2^12845471 is an apocalyptic number.

12845471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845471 is an equidigital number, since it uses as much as digits as its factorization.

12845471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 12845471 is about 3584.0578957377. The cubic root of 12845471 is about 234.1980875562.

The spelling of 12845471 in words is "twelve million, eight hundred forty-five thousand, four hundred seventy-one".