12011308 has 12 divisors (see below), whose sum is σ = 21146832. Its totient is φ = 5969360.

The previous prime is 12011303. The next prime is 12011309. The reversal of 12011308 is 80311021.

It is a junction number, because it is equal to n+sod(n) for n = 12011291 and 12011300.

It is not an unprimeable number, because it can be changed into a prime (12011303) 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 3 ways as a sum of consecutive naturals, for example, 8323 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (1762236).

Almost surely, 2^12011308 is an apocalyptic number.

It is an amenable number.

12011308 is a deficient number, since it is larger than the sum of its proper divisors (9135524).

12011308 is a wasteful number, since it uses less digits than its factorization.

12011308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152 (or 18150 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12011308 is about 3465.7334000180. The cubic root of 12011308 is about 229.0147394262.

Adding to 12011308 its reverse (80311021), we get a palindrome (92322329).

The spelling of 12011308 in words is "twelve million, eleven thousand, three hundred eight".