12408445 has 16 divisors (see below), whose sum is σ = 17434368. Its totient is φ = 8300160.

The previous prime is 12408443. The next prime is 12408479. The reversal of 12408445 is 54480421.

It is not a de Polignac number, because 12408445 - 2¹ = 12408443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2889 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (1089648).

Almost surely, 2^12408445 is an apocalyptic number.

It is an amenable number.

12408445 is a deficient number, since it is larger than the sum of its proper divisors (5025923).

12408445 is an equidigital number, since it uses as much as digits as its factorization.

12408445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700.

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

The square root of 12408445 is about 3522.5622776610. The cubic root of 12408445 is about 231.5114384333.

Adding to 12408445 its reverse (54480421), we get a palindrome (66888866).

The spelling of 12408445 in words is "twelve million, four hundred eight thousand, four hundred forty-five".