12714509 has 4 divisors (see below), whose sum is σ = 12723516. Its totient is φ = 12705504.

The previous prime is 12714479. The next prime is 12714511. The reversal of 12714509 is 90541721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 8702500 = 2003^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 12714509 - 2⁸ = 12714253 is a prime.

It is a super-2 number, since 2×12714509² = 323317478222162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12714529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (3180879).

Almost surely, 2^12714509 is an apocalyptic number.

It is an amenable number.

12714509 is a deficient number, since it is larger than the sum of its proper divisors (9007).

12714509 is an equidigital number, since it uses as much as digits as its factorization.

12714509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12714509 is about 3565.7410169557. The cubic root of 12714509 is about 233.3994694612.

The spelling of 12714509 in words is "twelve million, seven hundred fourteen thousand, five hundred nine".