11113724 has 12 divisors (see below), whose sum is σ = 19496400. Its totient is φ = 5543328.

The previous prime is 11113723. The next prime is 11113741. The reversal of 11113724 is 42731111.

It is a happy number.

It is a super-2 number, since 2×11113724² = 247029722296352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11113696 and 11113705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113721) 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 3 ways as a sum of consecutive naturals, for example, 1409 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (1624700).

Almost surely, 2^11113724 is an apocalyptic number.

It is an amenable number.

11113724 is a deficient number, since it is larger than the sum of its proper divisors (8382676).

11113724 is a wasteful number, since it uses less digits than its factorization.

11113724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772 (or 6770 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 11113724 is about 3333.7252436276. The cubic root of 11113724 is about 223.1618068623.

Adding to 11113724 its reverse (42731111), we get a palindrome (53844835).

The spelling of 11113724 in words is "eleven million, one hundred thirteen thousand, seven hundred twenty-four".