12630318 has 16 divisors (see below), whose sum is σ = 25303296. Its totient is φ = 4203000.

The previous prime is 12630313. The next prime is 12630367. The reversal of 12630318 is 81303621.

It is a super-2 number, since 2×12630318² = 319049865562248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630311) by changing a digit.

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, 3105 + ... + 5907.

It is an arithmetic number, because the mean of its divisors is an integer number (1581456).

Almost surely, 2^12630318 is an apocalyptic number.

12630318 is an abundant number, since it is smaller than the sum of its proper divisors (12672978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12630318 is a wasteful number, since it uses less digits than its factorization.

12630318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12630318 is about 3553.9158684471. The cubic root of 12630318 is about 232.8831651592.

Adding to 12630318 its reverse (81303621), we get a palindrome (93933939).

The spelling of 12630318 in words is "twelve million, six hundred thirty thousand, three hundred eighteen".