12605630 has 16 divisors (see below), whose sum is σ = 22760784. Its totient is φ = 5026560.

The previous prime is 12605629. The next prime is 12605647. The reversal of 12605630 is 3650621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12605596 and 12605605.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (1422549).

Almost surely, 2^12605630 is an apocalyptic number.

12605630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12605630 is a deficient number, since it is larger than the sum of its proper divisors (10155154).

12605630 is a wasteful number, since it uses less digits than its factorization.

12605630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12605630 is about 3550.4408177014. The cubic root of 12605630 is about 232.7313302460.

The spelling of 12605630 in words is "twelve million, six hundred five thousand, six hundred thirty".