12988288 has 32 divisors (see below), whose sum is σ = 26775000. Its totient is φ = 6268416.

The previous prime is 12988277. The next prime is 12988291. The reversal of 12988288 is 88288921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963 + ... + 5461.

Almost surely, 2^12988288 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 12988288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13387500).

12988288 is an abundant number, since it is smaller than the sum of its proper divisors (13786712).

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

12988288 is an equidigital number, since it uses as much as digits as its factorization.

12988288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3530 counting only the distinct ones).

The product of its digits is 147456, while the sum is 46.

The square root of 12988288 is about 3603.9267473133. The cubic root of 12988288 is about 235.0628351666.

The spelling of 12988288 in words is "twelve million, nine hundred eighty-eight thousand, two hundred eighty-eight".