11293728 has 24 divisors (see below), whose sum is σ = 29646288. Its totient is φ = 3764544.

The previous prime is 11293699. The next prime is 11293739. The reversal of 11293728 is 82739211.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58726 + ... + 58917.

It is an arithmetic number, because the mean of its divisors is an integer number (1235262).

Almost surely, 2^11293728 is an apocalyptic number.

It is an amenable number.

11293728 is an abundant number, since it is smaller than the sum of its proper divisors (18352560).

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

11293728 is a wasteful number, since it uses less digits than its factorization.

11293728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117656 (or 117648 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 11293728 is about 3360.6142295717. The cubic root of 11293728 is about 224.3601773507.

It can be divided in two parts, 11293 and 728, that added together give a palindrome (12021).

The spelling of 11293728 in words is "eleven million, two hundred ninety-three thousand, seven hundred twenty-eight".