12966727 has 4 divisors (see below), whose sum is σ = 13001320. Its totient is φ = 12932136.

The previous prime is 12966703. The next prime is 12966731. The reversal of 12966727 is 72766921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72766921 = 269 ⋅270509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12966727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12966727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12961727) 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, 16728 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (3250330).

Almost surely, 2^12966727 is an apocalyptic number.

12966727 is a deficient number, since it is larger than the sum of its proper divisors (34593).

12966727 is an equidigital number, since it uses as much as digits as its factorization.

12966727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34592.

The product of its digits is 63504, while the sum is 40.

The square root of 12966727 is about 3600.9341843472. The cubic root of 12966727 is about 234.9326923581.

The spelling of 12966727 in words is "twelve million, nine hundred sixty-six thousand, seven hundred twenty-seven".