12442408 has 32 divisors (see below), whose sum is σ = 26277120. Its totient is φ = 5472000.

The previous prime is 12442387. The next prime is 12442411. The reversal of 12442408 is 80424421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448 + ... + 5008.

It is an arithmetic number, because the mean of its divisors is an integer number (821160).

Almost surely, 2^12442408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12442408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13138560).

12442408 is an abundant number, since it is smaller than the sum of its proper divisors (13834712).

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

12442408 is a wasteful number, since it uses less digits than its factorization.

12442408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 12442408 is about 3527.3797640742. The cubic root of 12442408 is about 231.7224683710.

Adding to 12442408 its reverse (80424421), we get a palindrome (92866829).

The spelling of 12442408 in words is "twelve million, four hundred forty-two thousand, four hundred eight".