12751117 has 4 divisors (see below), whose sum is σ = 12774976. Its totient is φ = 12727260.

The previous prime is 12751099. The next prime is 12751127. The reversal of 12751117 is 71115721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12751117 - 2⁷ = 12750989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12751091 and 12751100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11109 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (3193744).

Almost surely, 2^12751117 is an apocalyptic number.

It is an amenable number.

12751117 is a deficient number, since it is larger than the sum of its proper divisors (23859).

12751117 is an equidigital number, since it uses as much as digits as its factorization.

12751117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23858.

The product of its digits is 490, while the sum is 25.

The square root of 12751117 is about 3570.8706221312. The cubic root of 12751117 is about 233.6232584293.

Adding to 12751117 its reverse (71115721), we get a palindrome (83866838).

The spelling of 12751117 in words is "twelve million, seven hundred fifty-one thousand, one hundred seventeen".