12445408 has 24 divisors (see below), whose sum is σ = 25348680. Its totient is φ = 6007680.

The previous prime is 12445397. The next prime is 12445409. The reversal of 12445408 is 80454421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445409) 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, 5778 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (1056195).

Almost surely, 2^12445408 is an apocalyptic number.

It is an amenable number.

12445408 is an abundant number, since it is smaller than the sum of its proper divisors (12903272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12445408 is a wasteful number, since it uses less digits than its factorization.

12445408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450 (or 13442 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 12445408 is about 3527.8049832722. The cubic root of 12445408 is about 231.7410904776.

Adding to 12445408 its reverse (80454421), we get a palindrome (92899829).

The spelling of 12445408 in words is "twelve million, four hundred forty-five thousand, four hundred eight".