11816038 has 16 divisors (see below), whose sum is σ = 19159056. Its totient is φ = 5433120.

The previous prime is 11816029. The next prime is 11816087. The reversal of 11816038 is 83061811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11815997 and 11816015.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7920 + ... + 9292.

It is an arithmetic number, because the mean of its divisors is an integer number (1197441).

Almost surely, 2^11816038 is an apocalyptic number.

11816038 is a deficient number, since it is larger than the sum of its proper divisors (7343018).

11816038 is a wasteful number, since it uses less digits than its factorization.

11816038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11816038 is about 3437.4464359463. The cubic root of 11816038 is about 227.7669080851.

Adding to 11816038 its reverse (83061811), we get a palindrome (94877849).

The spelling of 11816038 in words is "eleven million, eight hundred sixteen thousand, thirty-eight".