12232438 has 4 divisors (see below), whose sum is σ = 18348660. Its totient is φ = 6116218.

The previous prime is 12232433. The next prime is 12232463. The reversal of 12232438 is 83423221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83423221 = 7 ⋅11917603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058108 + ... + 3058111.

It is an arithmetic number, because the mean of its divisors is an integer number (4587165).

Almost surely, 2^12232438 is an apocalyptic number.

12232438 is a deficient number, since it is larger than the sum of its proper divisors (6116222).

12232438 is an equidigital number, since it uses as much as digits as its factorization.

12232438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116221.

The product of its digits is 2304, while the sum is 25.

The square root of 12232438 is about 3497.4902430171. The cubic root of 12232438 is about 230.4116007172.

Adding to 12232438 its reverse (83423221), we get a palindrome (95655659).

The spelling of 12232438 in words is "twelve million, two hundred thirty-two thousand, four hundred thirty-eight".