12751525 has 6 divisors (see below), whose sum is σ = 15811922. Its totient is φ = 10201200.

The previous prime is 12751517. The next prime is 12751537. The reversal of 12751525 is 52515721.

It can be written as a sum of positive squares in 3 ways, for example, as 1014049 + 11737476 = 1007^2 + 3426^2 .

It is not a de Polignac number, because 12751525 - 2³ = 12751517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12751493 and 12751502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255006 + ... + 255055.

Almost surely, 2^12751525 is an apocalyptic number.

It is an amenable number.

12751525 is a deficient number, since it is larger than the sum of its proper divisors (3060397).

12751525 is an equidigital number, since it uses as much as digits as its factorization.

12751525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510071 (or 510066 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 12751525 is about 3570.9277505993. The cubic root of 12751525 is about 233.6257501658.

The spelling of 12751525 in words is "twelve million, seven hundred fifty-one thousand, five hundred twenty-five".