12630447 has 6 divisors (see below), whose sum is σ = 18243992. Its totient is φ = 8420292.

The previous prime is 12630407. The next prime is 12630461. The reversal of 12630447 is 74403621.

It is not a de Polignac number, because 12630447 - 2¹⁵ = 12597679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12630447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630407) 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 5 ways as a sum of consecutive naturals, for example, 701683 + ... + 701700.

Almost surely, 2^12630447 is an apocalyptic number.

12630447 is a deficient number, since it is larger than the sum of its proper divisors (5613545).

12630447 is a wasteful number, since it uses less digits than its factorization.

12630447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403389 (or 1403386 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 12630447 is about 3553.9340173954. The cubic root of 12630447 is about 232.8839580087.

The spelling of 12630447 in words is "twelve million, six hundred thirty thousand, four hundred forty-seven".