12183021 has 16 divisors (see below), whose sum is σ = 18102720. Its totient is φ = 8097840.

The previous prime is 12183019. The next prime is 12183023. The reversal of 12183021 is 12038121.

It is an interprime number because it is at equal distance from previous prime (12183019) and next prime (12183023).

It is not a de Polignac number, because 12183021 - 2¹ = 12183019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12182985 and 12183003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12183023) 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, 17286 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (1131420).

Almost surely, 2^12183021 is an apocalyptic number.

It is an amenable number.

12183021 is a deficient number, since it is larger than the sum of its proper divisors (5919699).

12183021 is an equidigital number, since it uses as much as digits as its factorization.

12183021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12183021 is about 3490.4184562886. The cubic root of 12183021 is about 230.1009072036.

The spelling of 12183021 in words is "twelve million, one hundred eighty-three thousand, twenty-one".