11318427 has 8 divisors (see below), whose sum is σ = 16768080. Its totient is φ = 7545600.

The previous prime is 11318423. The next prime is 11318443. The reversal of 11318427 is 72481311.

It is not a de Polignac number, because 11318427 - 2² = 11318423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 419201 = 11318427 / (1 + 1 + 3 + 1 + 8 + 4 + 2 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 11318427.

It is not an unprimeable number, because it can be changed into a prime (11318423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209574 + ... + 209627.

It is an arithmetic number, because the mean of its divisors is an integer number (2096010).

Almost surely, 2^11318427 is an apocalyptic number.

11318427 is a deficient number, since it is larger than the sum of its proper divisors (5449653).

11318427 is an equidigital number, since it uses as much as digits as its factorization.

11318427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419210 (or 419204 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11318427 is about 3364.2869972700. The cubic root of 11318427 is about 224.5236142970.

Adding to 11318427 its reverse (72481311), we get a palindrome (83799738).

The spelling of 11318427 in words is "eleven million, three hundred eighteen thousand, four hundred twenty-seven".