12381448 has 16 divisors (see below), whose sum is σ = 23304960. Its totient is φ = 6166800.

The previous prime is 12381443. The next prime is 12381451. The reversal of 12381448 is 84418321.

12381448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12381443) 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, 688 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^12381448 is an apocalyptic number.

It is an amenable number.

12381448 is a deficient number, since it is larger than the sum of its proper divisors (10923512).

12381448 is a wasteful number, since it uses less digits than its factorization.

12381448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988 (or 5984 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 12381448 is about 3518.7281793284. The cubic root of 12381448 is about 231.3434170422.

Adding to 12381448 its reverse (84418321), we get a palindrome (96799769).

The spelling of 12381448 in words is "twelve million, three hundred eighty-one thousand, four hundred forty-eight".