12880780 has 24 divisors (see below), whose sum is σ = 29509200. Its totient is φ = 4683840.

The previous prime is 12880741. The next prime is 12880783. The reversal of 12880780 is 8708821.

It is not an unprimeable number, because it can be changed into a prime (12880783) 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, 29055 + ... + 29494.

It is an arithmetic number, because the mean of its divisors is an integer number (1229550).

Almost surely, 2^12880780 is an apocalyptic number.

12880780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12880780 is an abundant number, since it is smaller than the sum of its proper divisors (16628420).

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

12880780 is a wasteful number, since it uses less digits than its factorization.

12880780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58569 (or 58567 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 12880780 is about 3588.9803565915. The cubic root of 12880780 is about 234.4124753113.

It can be divided in two parts, 128 and 80780, that added together give a palindrome (80908).

The spelling of 12880780 in words is "twelve million, eight hundred eighty thousand, seven hundred eighty".