11245728 has 48 divisors (see below), whose sum is σ = 31794336. Its totient is φ = 3459840.

The previous prime is 11245727. The next prime is 11245757. The reversal of 11245728 is 82754211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 11245695 and 11245704.

It is not an unprimeable number, because it can be changed into a prime (11245727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (662382).

Almost surely, 2^11245728 is an apocalyptic number.

It is an amenable number.

11245728 is an abundant number, since it is smaller than the sum of its proper divisors (20548608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11245728 is a wasteful number, since it uses less digits than its factorization.

11245728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037 (or 9029 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 11245728 is about 3353.4650736216. The cubic root of 11245728 is about 224.0418714244.

Adding to 11245728 its reverse (82754211), we get a palindrome (93999939).

The spelling of 11245728 in words is "eleven million, two hundred forty-five thousand, seven hundred twenty-eight".