11409724 has 12 divisors (see below), whose sum is σ = 20040048. Its totient is φ = 5684000.

The previous prime is 11409721. The next prime is 11409757. The reversal of 11409724 is 42790411.

11409724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11409692 and 11409701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409721) 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, 3952 + ... + 6199.

It is an arithmetic number, because the mean of its divisors is an integer number (1670004).

Almost surely, 2^11409724 is an apocalyptic number.

It is an amenable number.

11409724 is a deficient number, since it is larger than the sum of its proper divisors (8630324).

11409724 is a wasteful number, since it uses less digits than its factorization.

11409724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11409724 is about 3377.8282964058. The cubic root of 11409724 is about 225.1256845123.

The spelling of 11409724 in words is "eleven million, four hundred nine thousand, seven hundred twenty-four".