12850530 has 64 divisors (see below), whose sum is σ = 38458368. Its totient is φ = 2669760.

The previous prime is 12850511. The next prime is 12850543. The reversal of 12850530 is 3505821.

It is a super-2 number, since 2×12850530² = 330272242561800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12850530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (600912).

Almost surely, 2^12850530 is an apocalyptic number.

12850530 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 12850530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19229184).

12850530 is an abundant number, since it is smaller than the sum of its proper divisors (25607838).

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

12850530 is a wasteful number, since it uses less digits than its factorization.

12850530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12850530 is about 3584.7635905315. The cubic root of 12850530 is about 234.2288286793.

The spelling of 12850530 in words is "twelve million, eight hundred fifty thousand, five hundred thirty".