12655875 has 16 divisors (see below), whose sum is σ = 21060000. Its totient is φ = 6749600.

The previous prime is 12655873. The next prime is 12655897. The reversal of 12655875 is 57855621.

It is not a de Polignac number, because 12655875 - 2¹ = 12655873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12655873) 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, 16500 + ... + 17249.

It is an arithmetic number, because the mean of its divisors is an integer number (1316250).

Almost surely, 2^12655875 is an apocalyptic number.

12655875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12655875 is a deficient number, since it is larger than the sum of its proper divisors (8404125).

12655875 is an equidigital number, since it uses as much as digits as its factorization.

12655875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33767 (or 33757 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 12655875 is about 3557.5096626713. The cubic root of 12655875 is about 233.0401362701.

It can be divided in two parts, 12655 and 875, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 12655875 in words is "twelve million, six hundred fifty-five thousand, eight hundred seventy-five".