12125575 has 24 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 7557600.

The previous prime is 12125569. The next prime is 12125587. The reversal of 12125575 is 57552121.

It is not a de Polignac number, because 12125575 - 2⁵ = 12125543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^12125575 is an apocalyptic number.

12125575 is a deficient number, since it is larger than the sum of its proper divisors (6623225).

12125575 is a wasteful number, since it uses less digits than its factorization.

12125575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327 (or 6322 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 12125575 is about 3482.1796335054. The cubic root of 12125575 is about 229.7386761035.

Adding to 12125575 its reverse (57552121), we get a palindrome (69677696).

The spelling of 12125575 in words is "twelve million, one hundred twenty-five thousand, five hundred seventy-five".