12630287 has 4 divisors (see below), whose sum is σ = 12671736. Its totient is φ = 12588840.

The previous prime is 12630259. The next prime is 12630301. The reversal of 12630287 is 78203621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12630287 - 2¹² = 12626191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630217) 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 3 ways as a sum of consecutive naturals, for example, 20264 + ... + 20877.

It is an arithmetic number, because the mean of its divisors is an integer number (3167934).

Almost surely, 2^12630287 is an apocalyptic number.

12630287 is a deficient number, since it is larger than the sum of its proper divisors (41449).

12630287 is an equidigital number, since it uses as much as digits as its factorization.

12630287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41448.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12630287 is about 3553.9115070581. The cubic root of 12630287 is about 232.8829746286.

The spelling of 12630287 in words is "twelve million, six hundred thirty thousand, two hundred eighty-seven".