12880560 has 320 divisors, whose sum is σ = 53996544. Its totient is φ = 2457600.

The previous prime is 12880559. The next prime is 12880589. The reversal of 12880560 is 6508821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314140 + ... + 314180.

Almost surely, 2^12880560 is an apocalyptic number.

12880560 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 12880560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26998272).

12880560 is an abundant number, since it is smaller than the sum of its proper divisors (41115984).

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

12880560 is a wasteful number, since it uses less digits than its factorization.

12880560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 12880560 is about 3588.9497070870. The cubic root of 12880560 is about 234.4111407379.

The spelling of 12880560 in words is "twelve million, eight hundred eighty thousand, five hundred sixty".