12751613 has 12 divisors (see below), whose sum is σ = 14920092. Its totient is φ = 10866240.

The previous prime is 12751601. The next prime is 12751639. The reversal of 12751613 is 31615721.

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 550564 = 3493^2 + 742^2 .

It is not a de Polignac number, because 12751613 - 2⁸ = 12751357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751663) 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 11 ways as a sum of consecutive naturals, for example, 8993 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (1243341).

Almost surely, 2^12751613 is an apocalyptic number.

It is an amenable number.

12751613 is a deficient number, since it is larger than the sum of its proper divisors (2168479).

12751613 is a wasteful number, since it uses less digits than its factorization.

12751613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1525 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 12751613 is about 3570.9400723059. The cubic root of 12751613 is about 233.6262875922.

The spelling of 12751613 in words is "twelve million, seven hundred fifty-one thousand, six hundred thirteen".