12738208 has 96 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 4976640.

The previous prime is 12738169. The next prime is 12738211. The reversal of 12738208 is 80283721.

It is a self number, because there is not a number n which added to its sum of digits gives 12738208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174460 + ... + 174532.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^12738208 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 12738208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

12738208 is an abundant number, since it is smaller than the sum of its proper divisors (18590432).

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

12738208 is a wasteful number, since it uses less digits than its factorization.

12738208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12738208 is about 3569.0626220340. The cubic root of 12738208 is about 233.5443931569.

The spelling of 12738208 in words is "twelve million, seven hundred thirty-eight thousand, two hundred eight".