12380438 has 48 divisors (see below), whose sum is σ = 23324400. Its totient is φ = 4898880.

The previous prime is 12380413. The next prime is 12380443. The reversal of 12380438 is 83408321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12380438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113528 + ... + 113636.

It is an arithmetic number, because the mean of its divisors is an integer number (485925).

Almost surely, 2^12380438 is an apocalyptic number.

12380438 is a deficient number, since it is larger than the sum of its proper divisors (10943962).

12380438 is a wasteful number, since it uses less digits than its factorization.

12380438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12380438 is about 3518.5846586376. The cubic root of 12380438 is about 231.3371263615.

Adding to 12380438 its reverse (83408321), we get a palindrome (95788759).

The spelling of 12380438 in words is "twelve million, three hundred eighty thousand, four hundred thirty-eight".