12751071 has 16 divisors (see below), whose sum is σ = 18950400. Its totient is φ = 7579008.

The previous prime is 12751049. The next prime is 12751073. The reversal of 12751071 is 17015721.

It is a happy number.

12751071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12751071 - 2⁶ = 12751007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5611 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (1184400).

Almost surely, 2^12751071 is an apocalyptic number.

12751071 is a deficient number, since it is larger than the sum of its proper divisors (6199329).

12751071 is a wasteful number, since it uses less digits than its factorization.

12751071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 12751071 is about 3570.8641811192. The cubic root of 12751071 is about 233.6229774948.

Adding to 12751071 its reverse (17015721), we get a palindrome (29766792).

It can be divided in two parts, 1275 and 1071, that added together give a triangular number (2346 = T₆₈).

The spelling of 12751071 in words is "twelve million, seven hundred fifty-one thousand, seventy-one".