12898218 has 8 divisors (see below), whose sum is σ = 25796448. Its totient is φ = 4299404.

The previous prime is 12898217. The next prime is 12898229. The reversal of 12898218 is 81289821.

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

12898218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12898217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074846 + ... + 1074857.

It is an arithmetic number, because the mean of its divisors is an integer number (3224556).

Almost surely, 2^12898218 is an apocalyptic number.

12898218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12898218 is a wasteful number, since it uses less digits than its factorization.

12898218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149708.

The product of its digits is 18432, while the sum is 39.

The square root of 12898218 is about 3591.4089157321. The cubic root of 12898218 is about 234.5182101476.

It can be divided in two parts, 128 and 98218, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 12898218 in words is "twelve million, eight hundred ninety-eight thousand, two hundred eighteen".