12030611 has 4 divisors (see below), whose sum is σ = 12738312. Its totient is φ = 11322912.

The previous prime is 12030607. The next prime is 12030653. The reversal of 12030611 is 11603021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11603021 = 31 ⋅374291.

It is a cyclic number.

It is not a de Polignac number, because 12030611 - 2² = 12030607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020611) 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, 353825 + ... + 353858.

It is an arithmetic number, because the mean of its divisors is an integer number (3184578).

Almost surely, 2^12030611 is an apocalyptic number.

12030611 is a deficient number, since it is larger than the sum of its proper divisors (707701).

12030611 is an equidigital number, since it uses as much as digits as its factorization.

12030611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707700.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 12030611 is about 3468.5171183086. The cubic root of 12030611 is about 229.1373545907.

Adding to 12030611 its reverse (11603021), we get a palindrome (23633632).

The spelling of 12030611 in words is "twelve million, thirty thousand, six hundred eleven".