12815250 has 64 divisors (see below), whose sum is σ = 36571392. Its totient is φ = 2928000.

The previous prime is 12815249. The next prime is 12815251. The reversal of 12815250 is 5251821.

It is an interprime number because it is at equal distance from previous prime (12815249) and next prime (12815251).

It is a self number, because there is not a number n which added to its sum of digits gives 12815250.

It is not an unprimeable number, because it can be changed into a prime (12815251) 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 31 ways as a sum of consecutive naturals, for example, 4030 + ... + 6470.

It is an arithmetic number, because the mean of its divisors is an integer number (571428).

Almost surely, 2^12815250 is an apocalyptic number.

12815250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12815250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18285696).

12815250 is an abundant number, since it is smaller than the sum of its proper divisors (23756142).

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

12815250 is a wasteful number, since it uses less digits than its factorization.

12815250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 12815250 is about 3579.8393818718. The cubic root of 12815250 is about 234.0142806684.

The spelling of 12815250 in words is "twelve million, eight hundred fifteen thousand, two hundred fifty".