12389575 has 12 divisors (see below), whose sum is σ = 16760088. Its totient is φ = 9010400.

The previous prime is 12389567. The next prime is 12389579. The reversal of 12389575 is 57598321.

It is not a de Polignac number, because 12389575 - 2³ = 12389567 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 (12389579) 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 11 ways as a sum of consecutive naturals, for example, 22252 + ... + 22801.

It is an arithmetic number, because the mean of its divisors is an integer number (1396674).

Almost surely, 2^12389575 is an apocalyptic number.

12389575 is a deficient number, since it is larger than the sum of its proper divisors (4370513).

12389575 is a wasteful number, since it uses less digits than its factorization.

12389575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45074 (or 45069 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 12389575 is about 3519.8828105492. The cubic root of 12389575 is about 231.3940227747.

It can be divided in two parts, 123 and 89575, that added together give a palindrome (89698).

The spelling of 12389575 in words is "twelve million, three hundred eighty-nine thousand, five hundred seventy-five".