12724208 has 40 divisors (see below), whose sum is σ = 28474368. Its totient is φ = 5395392.

The previous prime is 12724207. The next prime is 12724213. The reversal of 12724208 is 80242721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724207) 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 7 ways as a sum of consecutive naturals, for example, 10985 + ... + 12087.

Almost surely, 2^12724208 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 12724208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14237184).

12724208 is an abundant number, since it is smaller than the sum of its proper divisors (15750160).

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

12724208 is a wasteful number, since it uses less digits than its factorization.

12724208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12724208 is about 3567.1007835496. The cubic root of 12724208 is about 233.4588023614.

Adding to 12724208 its reverse (80242721), we get a palindrome (92966929).

The spelling of 12724208 in words is "twelve million, seven hundred twenty-four thousand, two hundred eight".