12871950 has 192 divisors, whose sum is σ = 41997312. Its totient is φ = 2534400.

The previous prime is 12871933. The next prime is 12872003. The reversal of 12871950 is 5917821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 313930 + ... + 313970.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^12871950 is an apocalyptic number.

12871950 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 12871950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20998656).

12871950 is an abundant number, since it is smaller than the sum of its proper divisors (29125362).

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

12871950 is a wasteful number, since it uses less digits than its factorization.

12871950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12871950 is about 3587.7499912898. The cubic root of 12871950 is about 234.3588984494.

The spelling of 12871950 in words is "twelve million, eight hundred seventy-one thousand, nine hundred fifty".