12181883 has 16 divisors (see below), whose sum is σ = 14475264. Its totient is φ = 10035360.

The previous prime is 12181867. The next prime is 12181909. The reversal of 12181883 is 38818121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12181883 - 2⁴ = 12181867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12181823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19766 + ... + 20372.

It is an arithmetic number, because the mean of its divisors is an integer number (904704).

Almost surely, 2^12181883 is an apocalyptic number.

12181883 is a deficient number, since it is larger than the sum of its proper divisors (2293381).

12181883 is an equidigital number, since it uses as much as digits as its factorization.

12181883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 3072, while the sum is 32.

The square root of 12181883 is about 3490.2554347784. The cubic root of 12181883 is about 230.0937425059.

The spelling of 12181883 in words is "twelve million, one hundred eighty-one thousand, eight hundred eighty-three".