11478816 has 36 divisors (see below), whose sum is σ = 32643702. Its totient is φ = 3826176.

The previous prime is 11478799. The next prime is 11478827. The reversal of 11478816 is 61887411.

It can be written as a sum of positive squares in only one way, i.e., 6656400 + 4822416 = 2580^2 + 2196^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19641 + ... + 20216.

Almost surely, 2^11478816 is an apocalyptic number.

11478816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11478816 is an abundant number, since it is smaller than the sum of its proper divisors (21164886).

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

11478816 is a wasteful number, since it uses less digits than its factorization.

11478816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39873 (or 39862 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 11478816 is about 3388.0401414387. The cubic root of 11478816 is about 225.5791892679.

The spelling of 11478816 in words is "eleven million, four hundred seventy-eight thousand, eight hundred sixteen".