12331448 has 8 divisors (see below), whose sum is σ = 23121480. Its totient is φ = 6165720.

The previous prime is 12331441. The next prime is 12331453. The reversal of 12331448 is 84413321.

12331448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770708 + ... + 770723.

It is an arithmetic number, because the mean of its divisors is an integer number (2890185).

Almost surely, 2^12331448 is an apocalyptic number.

It is an amenable number.

12331448 is a deficient number, since it is larger than the sum of its proper divisors (10790032).

12331448 is a wasteful number, since it uses less digits than its factorization.

12331448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541437 (or 1541433 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12331448 is about 3511.6161521442. The cubic root of 12331448 is about 231.0315855437.

Adding to 12331448 its reverse (84413321), we get a palindrome (96744769).

The spelling of 12331448 in words is "twelve million, three hundred thirty-one thousand, four hundred forty-eight".