11131814 has 4 divisors (see below), whose sum is σ = 16697724. Its totient is φ = 5565906.

The previous prime is 11131807. The next prime is 11131819. The reversal of 11131814 is 41813111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41813111 = 97 ⋅431063.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782952 + ... + 2782955.

It is an arithmetic number, because the mean of its divisors is an integer number (4174431).

Almost surely, 2^11131814 is an apocalyptic number.

11131814 is a deficient number, since it is larger than the sum of its proper divisors (5565910).

11131814 is an equidigital number, since it uses as much as digits as its factorization.

11131814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565909.

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

The square root of 11131814 is about 3336.4373214553. The cubic root of 11131814 is about 223.2828226653.

Adding to 11131814 its reverse (41813111), we get a palindrome (52944925).

The spelling of 11131814 in words is "eleven million, one hundred thirty-one thousand, eight hundred fourteen".