12798144 has 84 divisors (see below), whose sum is σ = 38871144. Its totient is φ = 4012032.

The previous prime is 12798131. The next prime is 12798151. The reversal of 12798144 is 44189721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12798099 and 12798108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9139 + ... + 10445.

Almost surely, 2^12798144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12798144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19435572).

12798144 is an abundant number, since it is smaller than the sum of its proper divisors (26073000).

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

12798144 is a wasteful number, since it uses less digits than its factorization.

12798144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1329 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12798144 is about 3577.4493707109. The cubic root of 12798144 is about 233.9101123086.

The spelling of 12798144 in words is "twelve million, seven hundred ninety-eight thousand, one hundred forty-four".