12103328 has 12 divisors (see below), whose sum is σ = 23828490. Its totient is φ = 6051648.

The previous prime is 12103279. The next prime is 12103331. The reversal of 12103328 is 82330121.

It can be written as a sum of positive squares in only one way, i.e., 6091024 + 6012304 = 2468^2 + 2452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189083 + ... + 189146.

Almost surely, 2^12103328 is an apocalyptic number.

It is an amenable number.

12103328 is a deficient number, since it is larger than the sum of its proper divisors (11725162).

12103328 is an equidigital number, since it uses as much as digits as its factorization.

12103328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378239 (or 378231 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12103328 is about 3478.9837596632. The cubic root of 12103328 is about 229.5980882616.

Adding to 12103328 its reverse (82330121), we get a palindrome (94433449).

The spelling of 12103328 in words is "twelve million, one hundred three thousand, three hundred twenty-eight".