12899250 has 240 divisors, whose sum is σ = 45189144. Its totient is φ = 2721600.

The previous prime is 12899231. The next prime is 12899267. The reversal of 12899250 is 5299821.

12899250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1750329 + 11148921 = 1323^2 + 3339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 992244 + ... + 992256.

Almost surely, 2^12899250 is an apocalyptic number.

12899250 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 12899250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22594572).

12899250 is an abundant number, since it is smaller than the sum of its proper divisors (32289894).

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

12899250 is a wasteful number, since it uses less digits than its factorization.

12899250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 12899250 is about 3591.5525890623. The cubic root of 12899250 is about 234.5244646637.

The spelling of 12899250 in words is "twelve million, eight hundred ninety-nine thousand, two hundred fifty".