12986798 has 8 divisors (see below), whose sum is σ = 21251160. Its totient is φ = 5903080.

The previous prime is 12986797. The next prime is 12986801. The reversal of 12986798 is 89768921.

12986798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295133 + ... + 295176.

It is an arithmetic number, because the mean of its divisors is an integer number (2656395).

Almost surely, 2^12986798 is an apocalyptic number.

12986798 is a deficient number, since it is larger than the sum of its proper divisors (8264362).

12986798 is a wasteful number, since it uses less digits than its factorization.

12986798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590322.

The product of its digits is 435456, while the sum is 50.

The square root of 12986798 is about 3603.7200224213. The cubic root of 12986798 is about 235.0538461190.

The spelling of 12986798 in words is "twelve million, nine hundred eighty-six thousand, seven hundred ninety-eight".