12280544 has 12 divisors (see below), whose sum is σ = 24177384. Its totient is φ = 6140256.

The previous prime is 12280531. The next prime is 12280547. The reversal of 12280544 is 44508221.

It is a happy number.

12280544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191852 + ... + 191915.

It is an arithmetic number, because the mean of its divisors is an integer number (2014782).

Almost surely, 2^12280544 is an apocalyptic number.

It is an amenable number.

12280544 is a deficient number, since it is larger than the sum of its proper divisors (11896840).

12280544 is an equidigital number, since it uses as much as digits as its factorization.

12280544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383777 (or 383769 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12280544 is about 3504.3607120272. The cubic root of 12280544 is about 230.7132490075.

Adding to 12280544 its reverse (44508221), we get a palindrome (56788765).

The spelling of 12280544 in words is "twelve million, two hundred eighty thousand, five hundred forty-four".