12806630 has 16 divisors (see below), whose sum is σ = 24054624. Its totient is φ = 4899840.

The previous prime is 12806621. The next prime is 12806641. The reversal of 12806630 is 3660821.

It is a self number, because there is not a number n which added to its sum of digits gives 12806630.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27611 + ... + 28070.

It is an arithmetic number, because the mean of its divisors is an integer number (1503414).

Almost surely, 2^12806630 is an apocalyptic number.

12806630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12806630 is a deficient number, since it is larger than the sum of its proper divisors (11247994).

12806630 is a wasteful number, since it uses less digits than its factorization.

12806630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55711.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12806630 is about 3578.6352147152. The cubic root of 12806630 is about 233.9618000808.

The spelling of 12806630 in words is "twelve million, eight hundred six thousand, six hundred thirty".