12239433 has 6 divisors (see below), whose sum is σ = 17679194. Its totient is φ = 8159616.

The previous prime is 12239431. The next prime is 12239441. The reversal of 12239433 is 33493221.

It is a happy number.

12239433 is a `hidden beast` number, since 1 + 223 + 9 + 433 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12194064 + 45369 = 3492^2 + 213^2 .

It is not a de Polignac number, because 12239433 - 2¹ = 12239431 is a prime.

It is a super-2 number, since 2×12239433² = 299607440322978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12239397 and 12239406.

It is not an unprimeable number, because it can be changed into a prime (12239431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679960 + ... + 679977.

Almost surely, 2^12239433 is an apocalyptic number.

It is an amenable number.

12239433 is a deficient number, since it is larger than the sum of its proper divisors (5439761).

12239433 is a wasteful number, since it uses less digits than its factorization.

12239433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359943 (or 1359940 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 12239433 is about 3498.4901028872. The cubic root of 12239433 is about 230.4555118881.

The spelling of 12239433 in words is "twelve million, two hundred thirty-nine thousand, four hundred thirty-three".