12011968 has 14 divisors (see below), whose sum is σ = 23836376. Its totient is φ = 6005952.

The previous prime is 12011953. The next prime is 12011969. The reversal of 12011968 is 86911021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011969) by changing a digit.

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, 93780 + ... + 93907.

Almost surely, 2^12011968 is an apocalyptic number.

It is an amenable number.

12011968 is a deficient number, since it is larger than the sum of its proper divisors (11824408).

12011968 is an equidigital number, since it uses as much as digits as its factorization.

12011968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187699 (or 187689 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 12011968 is about 3465.8286166514. The cubic root of 12011968 is about 229.0189340002.

Adding to 12011968 its reverse (86911021), we get a palindrome (98922989).

The spelling of 12011968 in words is "twelve million, eleven thousand, nine hundred sixty-eight".