12858975 has 36 divisors (see below), whose sum is σ = 23403016. Its totient is φ = 6747840.

The previous prime is 12858971. The next prime is 12858997. The reversal of 12858975 is 57985821.

It is a happy number.

It is not a de Polignac number, because 12858975 - 2² = 12858971 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12858975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12858971) 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 35 ways as a sum of consecutive naturals, for example, 14649 + ... + 15501.

Almost surely, 2^12858975 is an apocalyptic number.

12858975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12858975 is a deficient number, since it is larger than the sum of its proper divisors (10544041).

12858975 is a wasteful number, since it uses less digits than its factorization.

12858975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 928 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 12858975 is about 3585.9412990176. The cubic root of 12858975 is about 234.2801269347.

The spelling of 12858975 in words is "twelve million, eight hundred fifty-eight thousand, nine hundred seventy-five".