12898720 has 48 divisors (see below), whose sum is σ = 32084640. Its totient is φ = 4886784.

The previous prime is 12898703. The next prime is 12898729. The reversal of 12898720 is 2789821.

It is a self number, because there is not a number n which added to its sum of digits gives 12898720.

It is not an unprimeable number, because it can be changed into a prime (12898729) 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, 919 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (668430).

Almost surely, 2^12898720 is an apocalyptic number.

12898720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12898720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16042320).

12898720 is an abundant number, since it is smaller than the sum of its proper divisors (19185920).

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

12898720 is a wasteful number, since it uses less digits than its factorization.

12898720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12898720 is about 3591.4788040583. The cubic root of 12898720 is about 234.5212525993.

The spelling of 12898720 in words is "twelve million, eight hundred ninety-eight thousand, seven hundred twenty".