11271434 has 4 divisors (see below), whose sum is σ = 16907154. Its totient is φ = 5635716.

The previous prime is 11271367. The next prime is 11271437. The reversal of 11271434 is 43417211.

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: 43417211 = 4657 ⋅9323.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 1050625 = 3197^2 + 1025^2 .

It is not an unprimeable number, because it can be changed into a prime (11271437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817857 + ... + 2817860.

Almost surely, 2^11271434 is an apocalyptic number.

11271434 is a deficient number, since it is larger than the sum of its proper divisors (5635720).

11271434 is an equidigital number, since it uses as much as digits as its factorization.

11271434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635719.

The product of its digits is 672, while the sum is 23.

The square root of 11271434 is about 3357.2956378609. The cubic root of 11271434 is about 224.2124499078.

Adding to 11271434 its reverse (43417211), we get a palindrome (54688645).

The spelling of 11271434 in words is "eleven million, two hundred seventy-one thousand, four hundred thirty-four".