12751139 has 8 divisors (see below), whose sum is σ = 13731120. Its totient is φ = 11796736.

The previous prime is 12751133. The next prime is 12751157. The reversal of 12751139 is 93115721.

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 12751139 - 2²⁰ = 11702563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12751133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5354 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (1716390).

Almost surely, 2^12751139 is an apocalyptic number.

12751139 is a deficient number, since it is larger than the sum of its proper divisors (979981).

12751139 is a wasteful number, since it uses less digits than its factorization.

12751139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789.

The product of its digits is 1890, while the sum is 29.

The square root of 12751139 is about 3570.8737026112. The cubic root of 12751139 is about 233.6233927890.

The spelling of 12751139 in words is "twelve million, seven hundred fifty-one thousand, one hundred thirty-nine".