12875538 has 32 divisors (see below), whose sum is σ = 28941696. Its totient is φ = 3788928.

The previous prime is 12875531. The next prime is 12875539. The reversal of 12875538 is 83557821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12875496 and 12875505.

It is not an unprimeable number, because it can be changed into a prime (12875531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (904428).

Almost surely, 2^12875538 is an apocalyptic number.

12875538 is an abundant number, since it is smaller than the sum of its proper divisors (16066158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12875538 is a wasteful number, since it uses less digits than its factorization.

12875538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218.

The product of its digits is 67200, while the sum is 39.

The square root of 12875538 is about 3588.2499912910. The cubic root of 12875538 is about 234.3806719338.

The spelling of 12875538 in words is "twelve million, eight hundred seventy-five thousand, five hundred thirty-eight".