12158875 has 16 divisors (see below), whose sum is σ = 15279264. Its totient is φ = 9660000.

The previous prime is 12158873. The next prime is 12158891. The reversal of 12158875 is 57885121.

It is not a de Polignac number, because 12158875 - 2¹ = 12158873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12158873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26145 + ... + 26605.

It is an arithmetic number, because the mean of its divisors is an integer number (954954).

Almost surely, 2^12158875 is an apocalyptic number.

12158875 is a deficient number, since it is larger than the sum of its proper divisors (3120389).

12158875 is an equidigital number, since it uses as much as digits as its factorization.

12158875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 677 counting only the distinct ones).

The product of its digits is 22400, while the sum is 37.

The square root of 12158875 is about 3486.9578431636. The cubic root of 12158875 is about 229.9487913720.

It can be divided in two parts, 121 and 58875, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 12158875 in words is "twelve million, one hundred fifty-eight thousand, eight hundred seventy-five".