12618606 has 96 divisors (see below), whose sum is σ = 34320384. Its totient is φ = 3009600.

The previous prime is 12618601. The next prime is 12618623. The reversal of 12618606 is 60681621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12618601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65971 + ... + 66161.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^12618606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12618606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17160192).

12618606 is an abundant number, since it is smaller than the sum of its proper divisors (21701778).

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

12618606 is a wasteful number, since it uses less digits than its factorization.

12618606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12618606 is about 3552.2677263968. The cubic root of 12618606 is about 232.8111592884.

The spelling of 12618606 in words is "twelve million, six hundred eighteen thousand, six hundred six".