11478338 has 4 divisors (see below), whose sum is σ = 17217510. Its totient is φ = 5739168.

The previous prime is 11478317. The next prime is 11478343. The reversal of 11478338 is 83387411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83387411 = 211 ⋅395201.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 1787569 = 3113^2 + 1337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11478298 and 11478307.

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 as a sum of consecutive naturals, namely, 2869583 + ... + 2869586.

Almost surely, 2^11478338 is an apocalyptic number.

11478338 is a deficient number, since it is larger than the sum of its proper divisors (5739172).

11478338 is an equidigital number, since it uses as much as digits as its factorization.

11478338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739171.

The product of its digits is 16128, while the sum is 35.

The square root of 11478338 is about 3387.9695984468. The cubic root of 11478338 is about 225.5760580405.

The spelling of 11478338 in words is "eleven million, four hundred seventy-eight thousand, three hundred thirty-eight".