12860530 has 32 divisors (see below), whose sum is σ = 24624000. Its totient is φ = 4822272.

The previous prime is 12860501. The next prime is 12860531. The reversal of 12860530 is 3506821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12860495 and 12860504.

It is not an unprimeable number, because it can be changed into a prime (12860531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21171 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (769500).

Almost surely, 2^12860530 is an apocalyptic number.

12860530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12860530 is a deficient number, since it is larger than the sum of its proper divisors (11763470).

12860530 is a wasteful number, since it uses less digits than its factorization.

12860530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12860530 is about 3586.1581114056. The cubic root of 12860530 is about 234.2895701683.

The spelling of 12860530 in words is "twelve million, eight hundred sixty thousand, five hundred thirty".