12751261 has 8 divisors (see below), whose sum is σ = 13856000. Its totient is φ = 11689920.

The previous prime is 12751253. The next prime is 12751283. The reversal of 12751261 is 16215721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12751261 - 2³ = 12751253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10236 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (1732000).

Almost surely, 2^12751261 is an apocalyptic number.

It is an amenable number.

12751261 is a deficient number, since it is larger than the sum of its proper divisors (1104739).

12751261 is a wasteful number, since it uses less digits than its factorization.

12751261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21699.

The product of its digits is 840, while the sum is 25.

The square root of 12751261 is about 3570.8907852243. The cubic root of 12751261 is about 233.6241378717.

Adding to 12751261 its reverse (16215721), we get a palindrome (28966982).

The spelling of 12751261 in words is "twelve million, seven hundred fifty-one thousand, two hundred sixty-one".