12027911 has 8 divisors (see below), whose sum is σ = 14039040. Its totient is φ = 10090008.

The previous prime is 12027901. The next prime is 12027913. The reversal of 12027911 is 11972021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12027911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027913) 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 in 7 ways as a sum of consecutive naturals, for example, 17951 + ... + 18608.

It is an arithmetic number, because the mean of its divisors is an integer number (1754880).

Almost surely, 2^12027911 is an apocalyptic number.

12027911 is a deficient number, since it is larger than the sum of its proper divisors (2011129).

12027911 is an equidigital number, since it uses as much as digits as its factorization.

12027911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36613.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12027911 is about 3468.1278811486. The cubic root of 12027911 is about 229.1202117333.

Adding to 12027911 its reverse (11972021), we get a palindrome (23999932).

The spelling of 12027911 in words is "twelve million, twenty-seven thousand, nine hundred eleven".