12256630 has 8 divisors (see below), whose sum is σ = 22061952. Its totient is φ = 4902648.

The previous prime is 12256579. The next prime is 12256633. The reversal of 12256630 is 3665221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12256595 and 12256604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 612822 + ... + 612841.

It is an arithmetic number, because the mean of its divisors is an integer number (2757744).

Almost surely, 2^12256630 is an apocalyptic number.

12256630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12256630 is a deficient number, since it is larger than the sum of its proper divisors (9805322).

12256630 is a wasteful number, since it uses less digits than its factorization.

12256630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225670.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 12256630 is about 3500.9470147376. The cubic root of 12256630 is about 230.5633951195.

The spelling of 12256630 in words is "twelve million, two hundred fifty-six thousand, six hundred thirty".