12711427 has 4 divisors (see below), whose sum is σ = 13459176. Its totient is φ = 11963680.

The previous prime is 12711421. The next prime is 12711431. The reversal of 12711427 is 72411721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12711427 - 2¹¹ = 12709379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12711421) 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 3 ways as a sum of consecutive naturals, for example, 373849 + ... + 373882.

It is an arithmetic number, because the mean of its divisors is an integer number (3364794).

Almost surely, 2^12711427 is an apocalyptic number.

12711427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12711427 is a deficient number, since it is larger than the sum of its proper divisors (747749).

12711427 is an equidigital number, since it uses as much as digits as its factorization.

12711427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747748.

The product of its digits is 784, while the sum is 25.

The square root of 12711427 is about 3565.3088225286. The cubic root of 12711427 is about 233.3806092416.

The spelling of 12711427 in words is "twelve million, seven hundred eleven thousand, four hundred twenty-seven".