12988560 has 160 divisors (see below), whose sum is σ = 45497088. Its totient is φ = 3041280.

The previous prime is 12988543. The next prime is 12988579. The reversal of 12988560 is 6588921.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71670 + ... + 71850.

Almost surely, 2^12988560 is an apocalyptic number.

12988560 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 12988560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22748544).

12988560 is an abundant number, since it is smaller than the sum of its proper divisors (32508528).

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

12988560 is a wasteful number, since it uses less digits than its factorization.

12988560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12988560 is about 3603.9644837318. The cubic root of 12988560 is about 235.0644760461.

The spelling of 12988560 in words is "twelve million, nine hundred eighty-eight thousand, five hundred sixty".