12863850 has 48 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3404800.

The previous prime is 12863839. The next prime is 12863867. The reversal of 12863850 is 5836821.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28426 + ... + 28874.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 2^12863850 is an apocalyptic number.

12863850 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 12863850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

12863850 is an abundant number, since it is smaller than the sum of its proper divisors (19276950).

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

12863850 is a wasteful number, since it uses less digits than its factorization.

12863850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12863850 is about 3586.6209724475. The cubic root of 12863850 is about 234.3097293802.

The spelling of 12863850 in words is "twelve million, eight hundred sixty-three thousand, eight hundred fifty".