12756448 has 24 divisors (see below), whose sum is σ = 26437320. Its totient is φ = 6042240.

The previous prime is 12756439. The next prime is 12756463. The reversal of 12756448 is 84465721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9883 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (1101555).

Almost surely, 2^12756448 is an apocalyptic number.

It is an amenable number.

12756448 is an abundant number, since it is smaller than the sum of its proper divisors (13680872).

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

12756448 is a wasteful number, since it uses less digits than its factorization.

12756448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010 (or 21002 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 12756448 is about 3571.6170007435. The cubic root of 12756448 is about 233.6558117098.

The spelling of 12756448 in words is "twelve million, seven hundred fifty-six thousand, four hundred forty-eight".