11242772 has 6 divisors (see below), whose sum is σ = 19674858. Its totient is φ = 5621384.

The previous prime is 11242769. The next prime is 11242787. The reversal of 11242772 is 27724211.

It can be written as a sum of positive squares in only one way, i.e., 9265936 + 1976836 = 3044^2 + 1406^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405343 + ... + 1405350.

It is an arithmetic number, because the mean of its divisors is an integer number (3279143).

Almost surely, 2^11242772 is an apocalyptic number.

It is an amenable number.

11242772 is a deficient number, since it is larger than the sum of its proper divisors (8432086).

11242772 is a wasteful number, since it uses less digits than its factorization.

11242772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810697 (or 2810695 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 11242772 is about 3353.0243065030. The cubic root of 11242772 is about 224.0222395011.

Adding to 11242772 its reverse (27724211), we get a palindrome (38966983).

The spelling of 11242772 in words is "eleven million, two hundred forty-two thousand, seven hundred seventy-two".