12630305 has 8 divisors (see below), whose sum is σ = 15199872. Its totient is φ = 10075248.

The previous prime is 12630301. The next prime is 12630311. The reversal of 12630305 is 50303621.

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

It is a cyclic number.

It is not a de Polignac number, because 12630305 - 2² = 12630301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12630301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (1899984).

Almost surely, 2^12630305 is an apocalyptic number.

It is an amenable number.

12630305 is a deficient number, since it is larger than the sum of its proper divisors (2569567).

12630305 is an equidigital number, since it uses as much as digits as its factorization.

12630305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 12630305 is about 3553.9140394782. The cubic root of 12630305 is about 232.8830852593.

Adding to 12630305 its reverse (50303621), we get a palindrome (62933926).

The spelling of 12630305 in words is "twelve million, six hundred thirty thousand, three hundred five".