11806078 has 4 divisors (see below), whose sum is σ = 17709120. Its totient is φ = 5903038.

The previous prime is 11806063. The next prime is 11806079. The reversal of 11806078 is 87060811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87060811 = 373 ⋅233407.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11806079) 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 as a sum of consecutive naturals, namely, 2951518 + ... + 2951521.

It is an arithmetic number, because the mean of its divisors is an integer number (4427280).

Almost surely, 2^11806078 is an apocalyptic number.

11806078 is a deficient number, since it is larger than the sum of its proper divisors (5903042).

11806078 is an equidigital number, since it uses as much as digits as its factorization.

11806078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903041.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 11806078 is about 3435.9973806742. The cubic root of 11806078 is about 227.7028935057.

Adding to 11806078 its reverse (87060811), we get a palindrome (98866889).

The spelling of 11806078 in words is "eleven million, eight hundred six thousand, seventy-eight".