12081983 has 4 divisors (see below), whose sum is σ = 12107280. Its totient is φ = 12056688.

The previous prime is 12081977. The next prime is 12081989. The reversal of 12081983 is 38918021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38918021 = 47 ⋅828043.

It is an interprime number because it is at equal distance from previous prime (12081977) and next prime (12081989).

It is a cyclic number.

It is not a de Polignac number, because 12081983 - 2⁶ = 12081919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11918 + ... + 12891.

It is an arithmetic number, because the mean of its divisors is an integer number (3026820).

Almost surely, 2^12081983 is an apocalyptic number.

12081983 is a deficient number, since it is larger than the sum of its proper divisors (25297).

12081983 is an equidigital number, since it uses as much as digits as its factorization.

12081983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12081983 is about 3475.9146997589. The cubic root of 12081983 is about 229.4630384923.

The spelling of 12081983 in words is "twelve million, eighty-one thousand, nine hundred eighty-three".