12030808 has 32 divisors (see below), whose sum is σ = 23328000. Its totient is φ = 5813920.

The previous prime is 12030793. The next prime is 12030833. The reversal of 12030808 is 80803021.

It is a super-2 number, since 2×12030808² = 289480682265728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33333 + ... + 33691.

It is an arithmetic number, because the mean of its divisors is an integer number (729000).

Almost surely, 2^12030808 is an apocalyptic number.

It is an amenable number.

12030808 is a deficient number, since it is larger than the sum of its proper divisors (11297192).

12030808 is a wasteful number, since it uses less digits than its factorization.

12030808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 12030808 is about 3468.5455164954. The cubic root of 12030808 is about 229.1386052840.

Adding to 12030808 its reverse (80803021), we get a palindrome (92833829).

The spelling of 12030808 in words is "twelve million, thirty thousand, eight hundred eight".