12858575 has 6 divisors (see below), whose sum is σ = 15944664. Its totient is φ = 10286840.

The previous prime is 12858569. The next prime is 12858607. The reversal of 12858575 is 57585821.

12858575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12858575 - 2⁸ = 12858319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257147 + ... + 257196.

It is an arithmetic number, because the mean of its divisors is an integer number (2657444).

Almost surely, 2^12858575 is an apocalyptic number.

12858575 is a deficient number, since it is larger than the sum of its proper divisors (3086089).

12858575 is an equidigital number, since it uses as much as digits as its factorization.

12858575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514353 (or 514348 counting only the distinct ones).

The product of its digits is 112000, while the sum is 41.

The square root of 12858575 is about 3585.8855252225. The cubic root of 12858575 is about 234.2776976840.

The spelling of 12858575 in words is "twelve million, eight hundred fifty-eight thousand, five hundred seventy-five".