12103276 has 6 divisors (see below), whose sum is σ = 21180740. Its totient is φ = 6051636.

The previous prime is 12103271. The next prime is 12103277. The reversal of 12103276 is 67230121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12103271) 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, 1512906 + ... + 1512913.

Almost surely, 2^12103276 is an apocalyptic number.

It is an amenable number.

12103276 is a deficient number, since it is larger than the sum of its proper divisors (9077464).

12103276 is a wasteful number, since it uses less digits than its factorization.

12103276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025823 (or 3025821 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12103276 is about 3478.9762862083. The cubic root of 12103276 is about 229.5977594508.

Adding to 12103276 its reverse (67230121), we get a palindrome (79333397).

The spelling of 12103276 in words is "twelve million, one hundred three thousand, two hundred seventy-six".