11286656 has 16 divisors (see below), whose sum is σ = 22485390. Its totient is φ = 5643264.

The previous prime is 11286643. The next prime is 11286679. The reversal of 11286656 is 65668211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 2190400 = 3016^2 + 1480^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43961 + ... + 44216.

Almost surely, 2^11286656 is an apocalyptic number.

11286656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11286656 is a deficient number, since it is larger than the sum of its proper divisors (11198734).

11286656 is an frugal number, since it uses more digits than its factorization.

11286656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88191 (or 88179 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 11286656 is about 3359.5618761975. The cubic root of 11286656 is about 224.3133370019.

It can be divided in two parts, 112 and 86656, that added together give a palindrome (86768).

The spelling of 11286656 in words is "eleven million, two hundred eighty-six thousand, six hundred fifty-six".