12066881 has 16 divisors (see below), whose sum is σ = 13530240. Its totient is φ = 10707840.

The previous prime is 12066829. The next prime is 12066883. The reversal of 12066881 is 18866021.

It is a cyclic number.

It is not a de Polignac number, because 12066881 - 2¹⁰ = 12065857 is a prime.

It is a super-2 number, since 2×12066881² = 291219234136322, 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 (12066883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22901 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 2^12066881 is an apocalyptic number.

It is an amenable number.

12066881 is a deficient number, since it is larger than the sum of its proper divisors (1463359).

12066881 is a wasteful number, since it uses less digits than its factorization.

12066881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12066881 is about 3473.7416426672. The cubic root of 12066881 is about 229.3673920613.

The spelling of 12066881 in words is "twelve million, sixty-six thousand, eight hundred eighty-one".