12708388 has 60 divisors (see below), whose sum is σ = 28860160. Its totient is φ = 4791600.

The previous prime is 12708373. The next prime is 12708389. The reversal of 12708388 is 88380721.

It is a super-3 number, since 3×12708388³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12708389) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409933 + ... + 409963.

Almost surely, 2^12708388 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 12708388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14430080).

12708388 is an abundant number, since it is smaller than the sum of its proper divisors (16151772).

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

12708388 is an equidigital number, since it uses as much as digits as its factorization.

12708388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 12708388 is about 3564.8826067628. The cubic root of 12708388 is about 233.3620091741.

The spelling of 12708388 in words is "twelve million, seven hundred eight thousand, three hundred eighty-eight".