12880770 has 64 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 2904768.

The previous prime is 12880741. The next prime is 12880783. The reversal of 12880770 is 7708821.

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, 17061 + ... + 17799.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^12880770 is an apocalyptic number.

12880770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12880770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17902080).

12880770 is an abundant number, since it is smaller than the sum of its proper divisors (22923390).

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

12880770 is a wasteful number, since it uses less digits than its factorization.

12880770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 12880770 is about 3588.9789634379. The cubic root of 12880770 is about 234.4124146492.

The spelling of 12880770 in words is "twelve million, eight hundred eighty thousand, seven hundred seventy".