12864850 has 12 divisors (see below), whose sum is σ = 23928714. Its totient is φ = 5145920.

The previous prime is 12864833. The next prime is 12864851. The reversal of 12864850 is 5846821.

It can be written as a sum of positive squares in 3 ways, for example, as 8450649 + 4414201 = 2907^2 + 2101^2 .

It is not an unprimeable number, because it can be changed into a prime (12864851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128599 + ... + 128698.

Almost surely, 2^12864850 is an apocalyptic number.

12864850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12864850 is a deficient number, since it is larger than the sum of its proper divisors (11063864).

12864850 is a wasteful number, since it uses less digits than its factorization.

12864850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257309 (or 257304 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 12864850 is about 3586.7603767188. The cubic root of 12864850 is about 234.3158007522.

The spelling of 12864850 in words is "twelve million, eight hundred sixty-four thousand, eight hundred fifty".