12618798 has 16 divisors (see below), whose sum is σ = 26052096. Its totient is φ = 4070520.

The previous prime is 12618787. The next prime is 12618803. The reversal of 12618798 is 89781621.

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, 33736 + ... + 34107.

It is an arithmetic number, because the mean of its divisors is an integer number (1628256).

Almost surely, 2^12618798 is an apocalyptic number.

12618798 is an abundant number, since it is smaller than the sum of its proper divisors (13433298).

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

12618798 is a wasteful number, since it uses less digits than its factorization.

12618798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67879.

The product of its digits is 48384, while the sum is 42.

The square root of 12618798 is about 3552.2947512840. The cubic root of 12618798 is about 232.8123400717.

The spelling of 12618798 in words is "twelve million, six hundred eighteen thousand, seven hundred ninety-eight".