12969727 has 4 divisors (see below), whose sum is σ = 12980880. Its totient is φ = 12958576.

The previous prime is 12969709. The next prime is 12969731. The reversal of 12969727 is 72796921.

12969727 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 is a cyclic number.

It is not a de Polignac number, because 12969727 - 2¹¹ = 12967679 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 (12969767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (3245220).

Almost surely, 2^12969727 is an apocalyptic number.

12969727 is a deficient number, since it is larger than the sum of its proper divisors (11153).

12969727 is an equidigital number, since it uses as much as digits as its factorization.

12969727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152.

The product of its digits is 95256, while the sum is 43.

The square root of 12969727 is about 3601.3507188276. The cubic root of 12969727 is about 234.9508090792.

The spelling of 12969727 in words is "twelve million, nine hundred sixty-nine thousand, seven hundred twenty-seven".