12065280 has 80 divisors (see below), whose sum is σ = 38595744. Its totient is φ = 3215360.

The previous prime is 12065269. The next prime is 12065299. The reversal of 12065280 is 8256021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12065280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6895 + ... + 8465.

Almost surely, 2^12065280 is an apocalyptic number.

12065280 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 12065280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19297872).

12065280 is an abundant number, since it is smaller than the sum of its proper divisors (26530464).

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

12065280 is an equidigital number, since it uses as much as digits as its factorization.

12065280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12065280 is about 3473.5111918634. The cubic root of 12065280 is about 229.3572476714.

The spelling of 12065280 in words is "twelve million, sixty-five thousand, two hundred eighty".