12622688 has 48 divisors (see below), whose sum is σ = 28188720. Its totient is φ = 5515776.

The previous prime is 12622681. The next prime is 12622739. The reversal of 12622688 is 88622621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (587265).

Almost surely, 2^12622688 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 12622688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14094360).

12622688 is an abundant number, since it is smaller than the sum of its proper divisors (15566032).

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

12622688 is a wasteful number, since it uses less digits than its factorization.

12622688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1631 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 12622688 is about 3552.8422424870. The cubic root of 12622688 is about 232.8362606532.

The spelling of 12622688 in words is "twelve million, six hundred twenty-two thousand, six hundred eighty-eight".