12481408 has 16 divisors (see below), whose sum is σ = 24865560. Its totient is φ = 6240640.

The previous prime is 12481379. The next prime is 12481409. The reversal of 12481408 is 80418421.

12481408 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 (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48628 + ... + 48883.

Almost surely, 2^12481408 is an apocalyptic number.

It is an amenable number.

12481408 is a deficient number, since it is larger than the sum of its proper divisors (12384152).

12481408 is an frugal number, since it uses more digits than its factorization.

12481408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97525 (or 97513 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 12481408 is about 3532.9036216687. The cubic root of 12481408 is about 231.9643226945.

Adding to 12481408 its reverse (80418421), we get a palindrome (92899829).

The spelling of 12481408 in words is "twelve million, four hundred eighty-one thousand, four hundred eight".