11712427 has 4 divisors (see below), whose sum is σ = 11904496. Its totient is φ = 11520360.

The previous prime is 11712419. The next prime is 11712431. The reversal of 11712427 is 72421711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72421711 = 19 ⋅3811669.

It is a cyclic number.

It is not a de Polignac number, because 11712427 - 2³ = 11712419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11712457) 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, 95943 + ... + 96064.

It is an arithmetic number, because the mean of its divisors is an integer number (2976124).

Almost surely, 2^11712427 is an apocalyptic number.

11712427 is a deficient number, since it is larger than the sum of its proper divisors (192069).

11712427 is an equidigital number, since it uses as much as digits as its factorization.

11712427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192068.

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

The square root of 11712427 is about 3422.3423265360. The cubic root of 11712427 is about 227.0992146530.

It can be divided in two parts, 117 and 12427, that added together give a square (12544 = 112²).

The spelling of 11712427 in words is "eleven million, seven hundred twelve thousand, four hundred twenty-seven".