12383438 has 4 divisors (see below), whose sum is σ = 18575160. Its totient is φ = 6191718.

The previous prime is 12383417. The next prime is 12383443. The reversal of 12383438 is 83438321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83438321 = 41 ⋅2035081.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095858 + ... + 3095861.

It is an arithmetic number, because the mean of its divisors is an integer number (4643790).

Almost surely, 2^12383438 is an apocalyptic number.

12383438 is a deficient number, since it is larger than the sum of its proper divisors (6191722).

12383438 is an equidigital number, since it uses as much as digits as its factorization.

12383438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191721.

The product of its digits is 13824, while the sum is 32.

The square root of 12383438 is about 3519.0109405911. The cubic root of 12383438 is about 231.3558105505.

It can be divided in two parts, 12383 and 438, that added together give a palindrome (12821).

The spelling of 12383438 in words is "twelve million, three hundred eighty-three thousand, four hundred thirty-eight".