12280160 has 96 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 4533760.

The previous prime is 12280157. The next prime is 12280181. The reversal of 12280160 is 6108221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 172925 + ... + 172995.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^12280160 is an apocalyptic number.

12280160 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 12280160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676416).

12280160 is an abundant number, since it is smaller than the sum of its proper divisors (19072672).

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

12280160 is a wasteful number, since it uses less digits than its factorization.

12280160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12280160 is about 3504.3059227185. The cubic root of 12280160 is about 230.7108442603.

Adding to 12280160 its reverse (6108221), we get a palindrome (18388381).

The spelling of 12280160 in words is "twelve million, two hundred eighty thousand, one hundred sixty".