12730850 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 4555200.

The previous prime is 12730831. The next prime is 12730853. The reversal of 12730850 is 5803721.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12730853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43304 + ... + 43596.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^12730850 is an apocalyptic number.

12730850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12730850 is an abundant number, since it is smaller than the sum of its proper divisors (13517470).

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

12730850 is a wasteful number, since it uses less digits than its factorization.

12730850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12730850 is about 3568.0316702630. The cubic root of 12730850 is about 233.4994169033.

The spelling of 12730850 in words is "twelve million, seven hundred thirty thousand, eight hundred fifty".