12083581 has 8 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 11891328.

The previous prime is 12083573. The next prime is 12083587. The reversal of 12083581 is 18538021.

12083581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12083581 - 2³ = 12083573 is a prime.

It is a super-2 number, since 2×12083581² = 292025859567122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12083587) 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 7 ways as a sum of consecutive naturals, for example, 33480 + ... + 33838.

It is an arithmetic number, because the mean of its divisors is an integer number (1534680).

Almost surely, 2^12083581 is an apocalyptic number.

It is an amenable number.

12083581 is a deficient number, since it is larger than the sum of its proper divisors (193859).

12083581 is an equidigital number, since it uses as much as digits as its factorization.

12083581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12083581 is about 3476.1445597098. The cubic root of 12083581 is about 229.4731545406.

The spelling of 12083581 in words is "twelve million, eighty-three thousand, five hundred eighty-one".