12508622 has 24 divisors (see below), whose sum is σ = 22045320. Its totient is φ = 5307120.

The previous prime is 12508609. The next prime is 12508633. The reversal of 12508622 is 22680521.

It is a junction number, because it is equal to n+sod(n) for n = 12508591 and 12508600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10097 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (918555).

Almost surely, 2^12508622 is an apocalyptic number.

12508622 is a deficient number, since it is larger than the sum of its proper divisors (9536698).

12508622 is a wasteful number, since it uses less digits than its factorization.

12508622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12508622 is about 3536.7530306766. The cubic root of 12508622 is about 232.1327891221.

The spelling of 12508622 in words is "twelve million, five hundred eight thousand, six hundred twenty-two".