12643175 has 6 divisors (see below), whose sum is σ = 15677568. Its totient is φ = 10114520.

The previous prime is 12643117. The next prime is 12643177. The reversal of 12643175 is 57134621.

12643175 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12643175 - 2⁸ = 12642919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252839 + ... + 252888.

It is an arithmetic number, because the mean of its divisors is an integer number (2612928).

Almost surely, 2^12643175 is an apocalyptic number.

12643175 is a deficient number, since it is larger than the sum of its proper divisors (3034393).

12643175 is an equidigital number, since it uses as much as digits as its factorization.

12643175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505737 (or 505732 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 12643175 is about 3555.7242581505. The cubic root of 12643175 is about 232.9621593026.

Adding to 12643175 its reverse (57134621), we get a palindrome (69777796).

The spelling of 12643175 in words is "twelve million, six hundred forty-three thousand, one hundred seventy-five".