12606520 has 32 divisors (see below), whose sum is σ = 30034800. Its totient is φ = 4745728.

The previous prime is 12606509. The next prime is 12606521. The reversal of 12606520 is 2560621.

It is a junction number, because it is equal to n+sod(n) for n = 12606491 and 12606500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8590 + ... + 9949.

Almost surely, 2^12606520 is an apocalyptic number.

12606520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12606520 is an abundant number, since it is smaller than the sum of its proper divisors (17428280).

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

12606520 is a wasteful number, since it uses less digits than its factorization.

12606520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567 (or 18563 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12606520 is about 3550.5661520383. The cubic root of 12606520 is about 232.7368073227.

The spelling of 12606520 in words is "twelve million, six hundred six thousand, five hundred twenty".