12445548 has 12 divisors (see below), whose sum is σ = 29039640. Its totient is φ = 4148512.

The previous prime is 12445541. The next prime is 12445549. The reversal of 12445548 is 84554421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12445541) 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, 518553 + ... + 518576.

It is an arithmetic number, because the mean of its divisors is an integer number (2419970).

Almost surely, 2^12445548 is an apocalyptic number.

It is an amenable number.

12445548 is an abundant number, since it is smaller than the sum of its proper divisors (16594092).

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

12445548 is a wasteful number, since it uses less digits than its factorization.

12445548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037136 (or 1037134 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 12445548 is about 3527.8248255830. The cubic root of 12445548 is about 231.7419594361.

Adding to 12445548 its reverse (84554421), we get a palindrome (96999969).

The spelling of 12445548 in words is "twelve million, four hundred forty-five thousand, five hundred forty-eight".