12818955 has 16 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 6819168.

The previous prime is 12818941. The next prime is 12818959. The reversal of 12818955 is 55981821.

It is not a de Polignac number, because 12818955 - 2⁸ = 12818699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12818959) 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, 6696 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^12818955 is an apocalyptic number.

12818955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12818955 is a deficient number, since it is larger than the sum of its proper divisors (7744245).

12818955 is a wasteful number, since it uses less digits than its factorization.

12818955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210.

The product of its digits is 28800, while the sum is 39.

The square root of 12818955 is about 3580.3568257926. The cubic root of 12818955 is about 234.0368303486.

The spelling of 12818955 in words is "twelve million, eight hundred eighteen thousand, nine hundred fifty-five".