12017081 has 8 divisors (see below), whose sum is σ = 12422784. Its totient is φ = 11617200.

The previous prime is 12017077. The next prime is 12017111. The reversal of 12017081 is 18071021.

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 12017081 - 2² = 12017077 is a prime.

It is a super-2 number, since 2×12017081² = 288820471521122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1552848).

Almost surely, 2^12017081 is an apocalyptic number.

It is an amenable number.

12017081 is a deficient number, since it is larger than the sum of its proper divisors (405703).

12017081 is a wasteful number, since it uses less digits than its factorization.

12017081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12017081 is about 3466.5661684151. The cubic root of 12017081 is about 229.0514240330.

The spelling of 12017081 in words is "twelve million, seventeen thousand, eighty-one".