12600530 has 32 divisors (see below), whose sum is σ = 23608368. Its totient is φ = 4838400.

The previous prime is 12600521. The next prime is 12600557. The reversal of 12600530 is 3500621.

It can be written as a sum of positive squares in 8 ways, for example, as 146689 + 12453841 = 383^2 + 3529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12600499 and 12600508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29720 + ... + 30140.

Almost surely, 2^12600530 is an apocalyptic number.

12600530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12600530 is a deficient number, since it is larger than the sum of its proper divisors (11007838).

12600530 is a wasteful number, since it uses less digits than its factorization.

12600530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12600530 is about 3549.7225243672. The cubic root of 12600530 is about 232.6999397776.

Subtracting from 12600530 its reverse (3500621), we obtain a palindrome (9099909).

The spelling of 12600530 in words is "twelve million, six hundred thousand, five hundred thirty".