12017011 has 4 divisors (see below), whose sum is σ = 12723912. Its totient is φ = 11310112.

The previous prime is 12017003. The next prime is 12017021. The reversal of 12017011 is 11071021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12017011 - 2³ = 12017003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12016982 and 12017000.

It is not an unprimeable number, because it can be changed into a prime (12017021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353425 + ... + 353458.

It is an arithmetic number, because the mean of its divisors is an integer number (3180978).

Almost surely, 2^12017011 is an apocalyptic number.

12017011 is a deficient number, since it is larger than the sum of its proper divisors (706901).

12017011 is an equidigital number, since it uses as much as digits as its factorization.

12017011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706900.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 12017011 is about 3466.5560719538. The cubic root of 12017011 is about 229.0509792874.

Adding to 12017011 its reverse (11071021), we get a palindrome (23088032).

The spelling of 12017011 in words is "twelve million, seventeen thousand, eleven".