12280752 has 60 divisors (see below), whose sum is σ = 37498344. Its totient is φ = 3720960.

The previous prime is 12280733. The next prime is 12280753. The reversal of 12280752 is 25708221.

It is not an unprimeable number, because it can be changed into a prime (12280753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293 + ... + 5460.

Almost surely, 2^12280752 is an apocalyptic number.

12280752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12280752 is an abundant number, since it is smaller than the sum of its proper divisors (25217592).

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

12280752 is a wasteful number, since it uses less digits than its factorization.

12280752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12280752 is about 3504.3903892118. The cubic root of 12280752 is about 230.7145515580.

Adding to 12280752 its reverse (25708221), we get a palindrome (37988973).

The spelling of 12280752 in words is "twelve million, two hundred eighty thousand, seven hundred fifty-two".