12818055 has 16 divisors (see below), whose sum is σ = 20558304. Its totient is φ = 6819840.

The previous prime is 12818053. The next prime is 12818059. The reversal of 12818055 is 55081821.

12818055 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12818055 - 2¹ = 12818053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7915 + ... + 9395.

It is an arithmetic number, because the mean of its divisors is an integer number (1284894).

Almost surely, 2^12818055 is an apocalyptic number.

12818055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12818055 is a deficient number, since it is larger than the sum of its proper divisors (7740249).

12818055 is a wasteful number, since it uses less digits than its factorization.

12818055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 12818055 is about 3580.2311377898. The cubic root of 12818055 is about 234.0313530931.

Adding to 12818055 its reverse (55081821), we get a palindrome (67899876).

The spelling of 12818055 in words is "twelve million, eight hundred eighteen thousand, fifty-five".