12130880 has 56 divisors (see below), whose sum is σ = 29187648. Its totient is φ = 4802048.

The previous prime is 12130879. The next prime is 12130901. The reversal of 12130880 is 8803121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53327 + ... + 53553.

It is an arithmetic number, because the mean of its divisors is an integer number (521208).

Almost surely, 2^12130880 is an apocalyptic number.

12130880 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 12130880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14593824).

12130880 is an abundant number, since it is smaller than the sum of its proper divisors (17056768).

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

12130880 is a wasteful number, since it uses less digits than its factorization.

12130880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12130880 is about 3482.9412857526. The cubic root of 12130880 is about 229.7721751604.

The spelling of 12130880 in words is "twelve million, one hundred thirty thousand, eight hundred eighty".