12609008 has 60 divisors (see below), whose sum is σ = 26929080. Its totient is φ = 5712768.

The previous prime is 12608993. The next prime is 12609013. The reversal of 12609008 is 80090621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213683 + ... + 213741.

It is an arithmetic number, because the mean of its divisors is an integer number (448818).

Almost surely, 2^12609008 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 12609008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13464540).

12609008 is an abundant number, since it is smaller than the sum of its proper divisors (14320072).

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

12609008 is a wasteful number, since it uses less digits than its factorization.

12609008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12609008 is about 3550.9165014120. The cubic root of 12609008 is about 232.7521171541.

Adding to 12609008 its reverse (80090621), we get a palindrome (92699629).

The spelling of 12609008 in words is "twelve million, six hundred nine thousand, eight".