12742327 has 4 divisors (see below), whose sum is σ = 13722520. Its totient is φ = 11762136.

The previous prime is 12742321. The next prime is 12742343. The reversal of 12742327 is 72324721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72324721 = 7 ⋅10332103.

It is a cyclic number.

It is not a de Polignac number, because 12742327 - 2²³ = 4353719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12742295 and 12742304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742321) 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, 490077 + ... + 490102.

It is an arithmetic number, because the mean of its divisors is an integer number (3430630).

Almost surely, 2^12742327 is an apocalyptic number.

12742327 is a deficient number, since it is larger than the sum of its proper divisors (980193).

12742327 is an equidigital number, since it uses as much as digits as its factorization.

12742327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980192.

The product of its digits is 4704, while the sum is 28.

The square root of 12742327 is about 3569.6396176645. The cubic root of 12742327 is about 233.5695632512.

The spelling of 12742327 in words is "twelve million, seven hundred forty-two thousand, three hundred twenty-seven".