11478456 has 64 divisors (see below), whose sum is σ = 34790400. Its totient is φ = 3477600.

The previous prime is 11478443. The next prime is 11478457. The reversal of 11478456 is 65487411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11478456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (543600).

Almost surely, 2^11478456 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 11478456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17395200).

11478456 is an abundant number, since it is smaller than the sum of its proper divisors (23311944).

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

11478456 is a wasteful number, since it uses less digits than its factorization.

11478456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4847 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11478456 is about 3387.9870129621. The cubic root of 11478456 is about 225.5768310294.

The spelling of 11478456 in words is "eleven million, four hundred seventy-eight thousand, four hundred fifty-six".