12870575 has 6 divisors (see below), whose sum is σ = 15959544. Its totient is φ = 10296440.

The previous prime is 12870569. The next prime is 12870607. The reversal of 12870575 is 57507821.

It is not a de Polignac number, because 12870575 - 2⁶ = 12870511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 257387 + ... + 257436.

It is an arithmetic number, because the mean of its divisors is an integer number (2659924).

Almost surely, 2^12870575 is an apocalyptic number.

12870575 is a deficient number, since it is larger than the sum of its proper divisors (3088969).

12870575 is an equidigital number, since it uses as much as digits as its factorization.

12870575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514833 (or 514828 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 12870575 is about 3587.5583618946. The cubic root of 12870575 is about 234.3505533020.

The spelling of 12870575 in words is "twelve million, eight hundred seventy thousand, five hundred seventy-five".