12739727 has 36 divisors (see below), whose sum is σ = 17524080. Its totient is φ = 9060480.

The previous prime is 12739721. The next prime is 12739763. The reversal of 12739727 is 72793721.

It is not a de Polignac number, because 12739727 - 2⁴ = 12739711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739721) 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 35 ways as a sum of consecutive naturals, for example, 143099 + ... + 143187.

It is an arithmetic number, because the mean of its divisors is an integer number (486780).

Almost surely, 2^12739727 is an apocalyptic number.

12739727 is a deficient number, since it is larger than the sum of its proper divisors (4784353).

12739727 is a wasteful number, since it uses less digits than its factorization.

12739727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 120 counting only the distinct ones).

The product of its digits is 37044, while the sum is 38.

The square root of 12739727 is about 3569.2754166637. The cubic root of 12739727 is about 233.5536759863.

The spelling of 12739727 in words is "twelve million, seven hundred thirty-nine thousand, seven hundred twenty-seven".