11478803 has 4 divisors (see below), whose sum is σ = 13118640. Its totient is φ = 9838968.

The previous prime is 11478799. The next prime is 11478827. The reversal of 11478803 is 30887411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30887411 = 61 ⋅506351.

It is a cyclic number.

It is not a de Polignac number, because 11478803 - 2² = 11478799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11478803.

It is not an unprimeable number, because it can be changed into a prime (11478833) 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 3 ways as a sum of consecutive naturals, for example, 819908 + ... + 819921.

It is an arithmetic number, because the mean of its divisors is an integer number (3279660).

Almost surely, 2^11478803 is an apocalyptic number.

11478803 is a deficient number, since it is larger than the sum of its proper divisors (1639837).

11478803 is an equidigital number, since it uses as much as digits as its factorization.

11478803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639836.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 11478803 is about 3388.0382229249. The cubic root of 11478803 is about 225.5791041102.

The spelling of 11478803 in words is "eleven million, four hundred seventy-eight thousand, eight hundred three".