11665448 has 16 divisors (see below), whose sum is σ = 21933780. Its totient is φ = 5816448.

The previous prime is 11665441. The next prime is 11665463. The reversal of 11665448 is 84456611.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 362404 = 3362^2 + 602^2 .

It is not an unprimeable number, because it can be changed into a prime (11665441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340 + ... + 5012.

Almost surely, 2^11665448 is an apocalyptic number.

It is an amenable number.

11665448 is a deficient number, since it is larger than the sum of its proper divisors (10268332).

11665448 is a wasteful number, since it uses less digits than its factorization.

11665448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4072 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 11665448 is about 3415.4718561276. The cubic root of 11665448 is about 226.7951731899.

The spelling of 11665448 in words is "eleven million, six hundred sixty-five thousand, four hundred forty-eight".