12475871 has 2 divisors, whose sum is σ = 12475872. Its totient is φ = 12475870.

The previous prime is 12475861. The next prime is 12475873. The reversal of 12475871 is 17857421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12475871 is a prime.

Together with 12475873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12475873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237935 + 6237936.

It is an arithmetic number, because the mean of its divisors is an integer number (6237936).

Almost surely, 2^12475871 is an apocalyptic number.

12475871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12475871 is an equidigital number, since it uses as much as digits as its factorization.

12475871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 12475871 is about 3532.1199017021. The cubic root of 12475871 is about 231.9300162971.

The spelling of 12475871 in words is "twelve million, four hundred seventy-five thousand, eight hundred seventy-one".