12901280 has 48 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 4422912.

The previous prime is 12901279. The next prime is 12901297. The reversal of 12901280 is 8210921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^12901280 is an apocalyptic number.

12901280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12901280 is an abundant number, since it is smaller than the sum of its proper divisors (21935200).

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

12901280 is a wasteful number, since it uses less digits than its factorization.

12901280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11541 (or 11533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12901280 is about 3591.8351855284. The cubic root of 12901280 is about 234.5367666630.

The spelling of 12901280 in words is "twelve million, nine hundred one thousand, two hundred eighty".