11121806 has 4 divisors (see below), whose sum is σ = 16682712. Its totient is φ = 5560902.

The previous prime is 11121767. The next prime is 11121823. The reversal of 11121806 is 60812111.

11121806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780450 + ... + 2780453.

It is an arithmetic number, because the mean of its divisors is an integer number (4170678).

Almost surely, 2^11121806 is an apocalyptic number.

11121806 is a deficient number, since it is larger than the sum of its proper divisors (5560906).

11121806 is an equidigital number, since it uses as much as digits as its factorization.

11121806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560905.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 11121806 is about 3334.9371808177. The cubic root of 11121806 is about 223.2158888455.

Adding to 11121806 its reverse (60812111), we get a palindrome (71933917).

The spelling of 11121806 in words is "eleven million, one hundred twenty-one thousand, eight hundred six".