12280860 has 36 divisors (see below), whose sum is σ = 37252488. Its totient is φ = 3274848.

The previous prime is 12280841. The next prime is 12280861. The reversal of 12280860 is 6808221.

12280860 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33934 + ... + 34293.

Almost surely, 2^12280860 is an apocalyptic number.

12280860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12280860 is an abundant number, since it is smaller than the sum of its proper divisors (24971628).

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

12280860 is a wasteful number, since it uses less digits than its factorization.

12280860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68242 (or 68237 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12280860 is about 3504.4057984200. The cubic root of 12280860 is about 230.7152278765.

The spelling of 12280860 in words is "twelve million, two hundred eighty thousand, eight hundred sixty".