12875505 has 16 divisors (see below), whose sum is σ = 20649600. Its totient is φ = 6850688.

The previous prime is 12875503. The next prime is 12875531. The reversal of 12875505 is 50557821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12875505 - 2¹ = 12875503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12875503) 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 15 ways as a sum of consecutive naturals, for example, 8269 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (1290600).

Almost surely, 2^12875505 is an apocalyptic number.

12875505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12875505 is a deficient number, since it is larger than the sum of its proper divisors (7774095).

12875505 is a wasteful number, since it uses less digits than its factorization.

12875505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 12875505 is about 3588.2453929463. The cubic root of 12875505 is about 234.3804716945.

The spelling of 12875505 in words is "twelve million, eight hundred seventy-five thousand, five hundred five".