12751056 has 60 divisors (see below), whose sum is σ = 36203908. Its totient is φ = 4188672.

The previous prime is 12751049. The next prime is 12751073. The reversal of 12751056 is 65015721.

12751056 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 9511056 = 1800^2 + 3084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9906 + ... + 11118.

Almost surely, 2^12751056 is an apocalyptic number.

12751056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12751056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18101954).

12751056 is an abundant number, since it is smaller than the sum of its proper divisors (23452852).

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

12751056 is a wasteful number, since it uses less digits than its factorization.

12751056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 12751056 is about 3570.8620807867. The cubic root of 12751056 is about 233.6228858856.

Adding to 12751056 its reverse (65015721), we get a palindrome (77766777).

The spelling of 12751056 in words is "twelve million, seven hundred fifty-one thousand, fifty-six".