11131724 has 12 divisors (see below), whose sum is σ = 20327664. Its totient is φ = 5323824.

The previous prime is 11131721. The next prime is 11131733. The reversal of 11131724 is 42713111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11131696 and 11131705.

It is not an unprimeable number, because it can be changed into a prime (11131721) 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, 60407 + ... + 60590.

It is an arithmetic number, because the mean of its divisors is an integer number (1693972).

Almost surely, 2^11131724 is an apocalyptic number.

It is an amenable number.

11131724 is a deficient number, since it is larger than the sum of its proper divisors (9195940).

11131724 is a wasteful number, since it uses less digits than its factorization.

11131724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121024 (or 121022 counting only the distinct ones).

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

The square root of 11131724 is about 3336.4238339875. The cubic root of 11131724 is about 223.2822209212.

Adding to 11131724 its reverse (42713111), we get a palindrome (53844835).

The spelling of 11131724 in words is "eleven million, one hundred thirty-one thousand, seven hundred twenty-four".