11563427 has 2 divisors, whose sum is σ = 11563428. Its totient is φ = 11563426.

The previous prime is 11563423. The next prime is 11563441. The reversal of 11563427 is 72436511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11563427 - 2² = 11563423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11563427.

It is not a weakly prime, because it can be changed into another prime (11563423) 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 as a sum of consecutive naturals, namely, 5781713 + 5781714.

It is an arithmetic number, because the mean of its divisors is an integer number (5781714).

Almost surely, 2^11563427 is an apocalyptic number.

11563427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563427 is an equidigital number, since it uses as much as digits as its factorization.

11563427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 11563427 is about 3400.5039332428. The cubic root of 11563427 is about 226.1320853170.

Adding to 11563427 its reverse (72436511), we get a palindrome (83999938).

The spelling of 11563427 in words is "eleven million, five hundred sixty-three thousand, four hundred twenty-seven".