12283880 has 64 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 3988224.

The previous prime is 12283867. The next prime is 12283897. The reversal of 12283880 is 8838221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4166 + ... + 6474.

It is an arithmetic number, because the mean of its divisors is an integer number (519750).

Almost surely, 2^12283880 is an apocalyptic number.

12283880 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 12283880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632000).

12283880 is an abundant number, since it is smaller than the sum of its proper divisors (20980120).

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

12283880 is a wasteful number, since it uses less digits than its factorization.

12283880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 12283880 is about 3504.8366581055. The cubic root of 12283880 is about 230.7341381396.

The spelling of 12283880 in words is "twelve million, two hundred eighty-three thousand, eight hundred eighty".