12508328 has 48 divisors (see below), whose sum is σ = 28902420. Its totient is φ = 5042688.

The previous prime is 12508267. The next prime is 12508337. The reversal of 12508328 is 82380521.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 550564 = 3458^2 + 742^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12508328.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5726 + ... + 7602.

Almost surely, 2^12508328 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 12508328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14451210).

12508328 is an abundant number, since it is smaller than the sum of its proper divisors (16394092).

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

12508328 is a wasteful number, since it uses less digits than its factorization.

12508328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12508328 is about 3536.7114668856. The cubic root of 12508328 is about 232.1309704412.

Adding to 12508328 its reverse (82380521), we get a palindrome (94888849).

The spelling of 12508328 in words is "twelve million, five hundred eight thousand, three hundred twenty-eight".