12280124 has 6 divisors (see below), whose sum is σ = 21490224. Its totient is φ = 6140060.

The previous prime is 12280111. The next prime is 12280127. The reversal of 12280124 is 42108221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12280096 and 12280105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280127) 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 as a sum of consecutive naturals, namely, 1535012 + ... + 1535019.

It is an arithmetic number, because the mean of its divisors is an integer number (3581704).

Almost surely, 2^12280124 is an apocalyptic number.

It is an amenable number.

12280124 is a deficient number, since it is larger than the sum of its proper divisors (9210100).

12280124 is a wasteful number, since it uses less digits than its factorization.

12280124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070035 (or 3070033 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12280124 is about 3504.3007861769. The cubic root of 12280124 is about 230.7106188127.

Adding to 12280124 its reverse (42108221), we get a palindrome (54388345).

The spelling of 12280124 in words is "twelve million, two hundred eighty thousand, one hundred twenty-four".