12662208 has 168 divisors, whose sum is σ = 41605200. Its totient is φ = 3649536.

The previous prime is 12662201. The next prime is 12662233. The reversal of 12662208 is 80226621.

It is a super-2 number, since 2×12662208² = 320663022870528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142228 + ... + 142316.

It is an arithmetic number, because the mean of its divisors is an integer number (247650).

Almost surely, 2^12662208 is an apocalyptic number.

12662208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12662208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20802600).

12662208 is an abundant number, since it is smaller than the sum of its proper divisors (28942992).

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

12662208 is a wasteful number, since it uses less digits than its factorization.

12662208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12662208 is about 3558.3996402878. The cubic root of 12662208 is about 233.0790008839.

Adding to 12662208 its reverse (80226621), we get a palindrome (92888829).

The spelling of 12662208 in words is "twelve million, six hundred sixty-two thousand, two hundred eight".