12688875 has 24 divisors (see below), whose sum is σ = 22875840. Its totient is φ = 6766800.

The previous prime is 12688873. The next prime is 12688877. The reversal of 12688875 is 57888621.

It is an interprime number because it is at equal distance from previous prime (12688873) and next prime (12688877).

It is not a de Polignac number, because 12688875 - 2¹ = 12688873 is a prime.

It is a super-2 number, since 2×12688875² = 322015097531250, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12688875.

It is not an unprimeable number, because it can be changed into a prime (12688873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4515 + ... + 6764.

It is an arithmetic number, because the mean of its divisors is an integer number (953160).

Almost surely, 2^12688875 is an apocalyptic number.

12688875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12688875 is a deficient number, since it is larger than the sum of its proper divisors (10186965).

12688875 is a wasteful number, since it uses less digits than its factorization.

12688875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300 (or 11287 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 12688875 is about 3562.1447191264. The cubic root of 12688875 is about 233.2425100037.

The spelling of 12688875 in words is "twelve million, six hundred eighty-eight thousand, eight hundred seventy-five".