11645328 has 60 divisors (see below), whose sum is σ = 31949840. Its totient is φ = 3644928.

The previous prime is 11645317. The next prime is 11645329. The reversal of 11645328 is 82354611.

It is a super-2 number, since 2×11645328² = 271227328455168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11645295 and 11645304.

It is not an unprimeable number, because it can be changed into a prime (11645329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103000 + ... + 103112.

Almost surely, 2^11645328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11645328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15974920).

11645328 is an abundant number, since it is smaller than the sum of its proper divisors (20304512).

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

11645328 is a wasteful number, since it uses less digits than its factorization.

11645328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 137 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 11645328 is about 3412.5251647424. The cubic root of 11645328 is about 226.6647097101.

Adding to 11645328 its reverse (82354611), we get a palindrome (93999939).

The spelling of 11645328 in words is "eleven million, six hundred forty-five thousand, three hundred twenty-eight".