12005011 has 8 divisors (see below), whose sum is σ = 12658464. Its totient is φ = 11362560.

The previous prime is 12004999. The next prime is 12005023. The reversal of 12005011 is 11050021.

It is a happy number.

12005011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12004999) and next prime (12005023).

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

It is a cyclic number.

It is not a de Polignac number, because 12005011 - 2¹⁵ = 11972243 is a prime.

It is a super-2 number, since 2×12005011² = 288240578220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12005051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1582308).

Almost surely, 2^12005011 is an apocalyptic number.

12005011 is a deficient number, since it is larger than the sum of its proper divisors (653453).

12005011 is an equidigital number, since it uses as much as digits as its factorization.

12005011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 12005011 is about 3464.8248151963. The cubic root of 12005011 is about 228.9747116485.

Adding to 12005011 its reverse (11050021), we get a palindrome (23055032).

The spelling of 12005011 in words is "twelve million, five thousand, eleven".