11209672 has 16 divisors (see below), whose sum is σ = 21072240. Its totient is φ = 5590416.

The previous prime is 11209663. The next prime is 11209697. The reversal of 11209672 is 27690211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11209672.

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 in 3 ways as a sum of consecutive naturals, for example, 1963 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1317015).

Almost surely, 2^11209672 is an apocalyptic number.

It is an amenable number.

11209672 is a deficient number, since it is larger than the sum of its proper divisors (9862568).

11209672 is a wasteful number, since it uses less digits than its factorization.

11209672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3608 counting only the distinct ones).

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

The square root of 11209672 is about 3348.0848256877. The cubic root of 11209672 is about 223.8021744064.

Adding to 11209672 its reverse (27690211), we get a palindrome (38899883).

It can be divided in two parts, 11209 and 672, that added together give a square (11881 = 109²).

The spelling of 11209672 in words is "eleven million, two hundred nine thousand, six hundred seventy-two".