11772118 has 4 divisors (see below), whose sum is σ = 17658180. Its totient is φ = 5886058.

The previous prime is 11772097. The next prime is 11772121. The reversal of 11772118 is 81127711.

11772118 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, and also an emirpimes, since its reverse is a distinct semiprime: 81127711 = 7 ⋅11589673.

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, 2943028 + ... + 2943031.

It is an arithmetic number, because the mean of its divisors is an integer number (4414545).

Almost surely, 2^11772118 is an apocalyptic number.

11772118 is a deficient number, since it is larger than the sum of its proper divisors (5886062).

11772118 is an equidigital number, since it uses as much as digits as its factorization.

11772118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886061.

The product of its digits is 784, while the sum is 28.

The square root of 11772118 is about 3431.0520252541. The cubic root of 11772118 is about 227.4843558860.

Adding to 11772118 its reverse (81127711), we get a palindrome (92899829).

The spelling of 11772118 in words is "eleven million, seven hundred seventy-two thousand, one hundred eighteen".