11724913 has 4 divisors (see below), whose sum is σ = 12103168. Its totient is φ = 11346660.

The previous prime is 11724899. The next prime is 11724929. The reversal of 11724913 is 31942711.

11724913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11724913 - 2¹³ = 11716721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11724983) 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, 189081 + ... + 189142.

It is an arithmetic number, because the mean of its divisors is an integer number (3025792).

Almost surely, 2^11724913 is an apocalyptic number.

It is an amenable number.

11724913 is a deficient number, since it is larger than the sum of its proper divisors (378255).

11724913 is an equidigital number, since it uses as much as digits as its factorization.

11724913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378254.

The product of its digits is 1512, while the sum is 28.

The square root of 11724913 is about 3424.1660298531. The cubic root of 11724913 is about 227.1798854874.

The spelling of 11724913 in words is "eleven million, seven hundred twenty-four thousand, nine hundred thirteen".