12631448 has 8 divisors (see below), whose sum is σ = 23683980. Its totient is φ = 6315720.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631448 is 84413621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12631448.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 789458 + ... + 789473.

Almost surely, 2^12631448 is an apocalyptic number.

It is an amenable number.

12631448 is a deficient number, since it is larger than the sum of its proper divisors (11052532).

12631448 is a wasteful number, since it uses less digits than its factorization.

12631448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578937 (or 1578933 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 12631448 is about 3554.0748444567. The cubic root of 12631448 is about 232.8901100920.

The spelling of 12631448 in words is "twelve million, six hundred thirty-one thousand, four hundred forty-eight".