11272656 has 20 divisors (see below), whose sum is σ = 29121152. Its totient is φ = 3757536.

The previous prime is 11272637. The next prime is 11272669. The reversal of 11272656 is 65627211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117376 + ... + 117471.

Almost surely, 2^11272656 is an apocalyptic number.

11272656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11272656 is an abundant number, since it is smaller than the sum of its proper divisors (17848496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11272656 is a wasteful number, since it uses less digits than its factorization.

11272656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234858 (or 234852 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 11272656 is about 3357.4776246462. The cubic root of 11272656 is about 224.2205523288.

Adding to 11272656 its reverse (65627211), we get a palindrome (76899867).

The spelling of 11272656 in words is "eleven million, two hundred seventy-two thousand, six hundred fifty-six".