12984918 has 16 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 4302056.

The previous prime is 12984913. The next prime is 12984931. The reversal of 12984918 is 81948921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12984918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^12984918 is an apocalyptic number.

12984918 is an abundant number, since it is smaller than the sum of its proper divisors (13142442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12984918 is a wasteful number, since it uses less digits than its factorization.

12984918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131.

The product of its digits is 41472, while the sum is 42.

The square root of 12984918 is about 3603.4591714074. The cubic root of 12984918 is about 235.0425032523.

It can be divided in two parts, 1298 and 4918, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 12984918 in words is "twelve million, nine hundred eighty-four thousand, nine hundred eighteen".