12097280 has 72 divisors (see below), whose sum is σ = 31248672. Its totient is φ = 4460544.

The previous prime is 12097279. The next prime is 12097307. The reversal of 12097280 is 8279021.

It is a happy number.

It is a congruent number.

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, 16277 + ... + 17003.

Almost surely, 2^12097280 is an apocalyptic number.

12097280 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 12097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15624336).

12097280 is an abundant number, since it is smaller than the sum of its proper divisors (19151392).

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

12097280 is an equidigital number, since it uses as much as digits as its factorization.

12097280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12097280 is about 3478.1144317000. The cubic root of 12097280 is about 229.5598387103.

The spelling of 12097280 in words is "twelve million, ninety-seven thousand, two hundred eighty".