12804055 has 8 divisors (see below), whose sum is σ = 16761744. Its totient is φ = 9312000.

The previous prime is 12804041. The next prime is 12804061. The reversal of 12804055 is 55040821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12804055 - 2²³ = 4415447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116346 + ... + 116455.

It is an arithmetic number, because the mean of its divisors is an integer number (2095218).

Almost surely, 2^12804055 is an apocalyptic number.

12804055 is a deficient number, since it is larger than the sum of its proper divisors (3957689).

12804055 is a wasteful number, since it uses less digits than its factorization.

12804055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232817.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12804055 is about 3578.2754226023. The cubic root of 12804055 is about 233.9461183072.

Adding to 12804055 its reverse (55040821), we get a palindrome (67844876).

It can be divided in two parts, 1280 and 4055, that added together give a palindrome (5335).

The spelling of 12804055 in words is "twelve million, eight hundred four thousand, fifty-five".