11272718 has 4 divisors (see below), whose sum is σ = 16909080. Its totient is φ = 5636358.

The previous prime is 11272699. The next prime is 11272721. The reversal of 11272718 is 81727211.

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

It is a super-2 number, since 2×11272718² = 254148342215048, which contains 22 as substring.

It is a Curzon number.

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, 2818178 + ... + 2818181.

It is an arithmetic number, because the mean of its divisors is an integer number (4227270).

Almost surely, 2^11272718 is an apocalyptic number.

11272718 is a deficient number, since it is larger than the sum of its proper divisors (5636362).

11272718 is an equidigital number, since it uses as much as digits as its factorization.

11272718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636361.

The product of its digits is 1568, while the sum is 29.

The square root of 11272718 is about 3357.4868577554. The cubic root of 11272718 is about 224.2209634017.

Adding to 11272718 its reverse (81727211), we get a palindrome (92999929).

The spelling of 11272718 in words is "eleven million, two hundred seventy-two thousand, seven hundred eighteen".