12875850 has 144 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 3024000.

The previous prime is 12875839. The next prime is 12875857. The reversal of 12875850 is 5857821.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12875857) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 181315 + ... + 181385.

It is an arithmetic number, because the mean of its divisors is an integer number (270816).

Almost surely, 2^12875850 is an apocalyptic number.

12875850 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 12875850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752).

12875850 is an abundant number, since it is smaller than the sum of its proper divisors (26121654).

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

12875850 is a wasteful number, since it uses less digits than its factorization.

12875850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 12875850 is about 3588.2934662594. The cubic root of 12875850 is about 234.3825650891.

The spelling of 12875850 in words is "twelve million, eight hundred seventy-five thousand, eight hundred fifty".