11724563 has 2 divisors, whose sum is σ = 11724564. Its totient is φ = 11724562.

The previous prime is 11724553. The next prime is 11724599. The reversal of 11724563 is 36542711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11724563 - 2¹⁸ = 11462419 is a prime.

It is not a weakly prime, because it can be changed into another prime (11724533) 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 as a sum of consecutive naturals, namely, 5862281 + 5862282.

It is an arithmetic number, because the mean of its divisors is an integer number (5862282).

Almost surely, 2^11724563 is an apocalyptic number.

11724563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11724563 is an equidigital number, since it uses as much as digits as its factorization.

11724563 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 11724563 is about 3424.1149221368. The cubic root of 11724563 is about 227.1776249518.

The spelling of 11724563 in words is "eleven million, seven hundred twenty-four thousand, five hundred sixty-three".