12855755 has 16 divisors (see below), whose sum is σ = 17242848. Its totient is φ = 9120000.

The previous prime is 12855751. The next prime is 12855767. The reversal of 12855755 is 55755821.

It is not a de Polignac number, because 12855755 - 2² = 12855751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12855751) 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, 596 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (1077678).

Almost surely, 2^12855755 is an apocalyptic number.

12855755 is a deficient number, since it is larger than the sum of its proper divisors (4387093).

12855755 is a wasteful number, since it uses less digits than its factorization.

12855755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its digits is 70000, while the sum is 38.

The square root of 12855755 is about 3585.4922953480. The cubic root of 12855755 is about 234.2605700367.

The spelling of 12855755 in words is "twelve million, eight hundred fifty-five thousand, seven hundred fifty-five".