12520626 has 32 divisors (see below), whose sum is σ = 25773120. Its totient is φ = 4053504.

The previous prime is 12520603. The next prime is 12520643. The reversal of 12520626 is 62602521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12520596 and 12520605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39846 + ... + 40158.

It is an arithmetic number, because the mean of its divisors is an integer number (805410).

Almost surely, 2^12520626 is an apocalyptic number.

12520626 is an abundant number, since it is smaller than the sum of its proper divisors (13252494).

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

12520626 is a wasteful number, since it uses less digits than its factorization.

12520626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12520626 is about 3538.4496605152. The cubic root of 12520626 is about 232.2070214158.

The spelling of 12520626 in words is "twelve million, five hundred twenty thousand, six hundred twenty-six".