12183442 has 8 divisors (see below), whose sum is σ = 18327996. Its totient is φ = 6074112.

The previous prime is 12183439. The next prime is 12183443. The reversal of 12183442 is 24438121.

It can be written as a sum of positive squares in 2 ways, for example, as 10764961 + 1418481 = 3281^2 + 1191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12183443) 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, 7923 + ... + 9334.

Almost surely, 2^12183442 is an apocalyptic number.

12183442 is a deficient number, since it is larger than the sum of its proper divisors (6144554).

12183442 is a wasteful number, since it uses less digits than its factorization.

12183442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612.

The product of its digits is 1536, while the sum is 25.

The square root of 12183442 is about 3490.4787637228. The cubic root of 12183442 is about 230.1035576509.

The spelling of 12183442 in words is "twelve million, one hundred eighty-three thousand, four hundred forty-two".