11636 has 6 divisors (see below), whose sum is σ = 20370. Its totient is φ = 5816.

The previous prime is 11633. The next prime is 11657. The reversal of 11636 is 63611.

It can be written as a sum of positive squares in only one way, i.e., 11236 + 400 = 106^2 + 20^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1451 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (3395).

2¹¹⁶³⁶ is an apocalyptic number.

It is an amenable number.

11636 is a deficient number, since it is larger than the sum of its proper divisors (8734).

11636 is a wasteful number, since it uses less digits than its factorization.

11636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 11636 is about 107.8702924813. The cubic root of 11636 is about 22.6604173468.

It can be divided in two parts, 11 and 636, that multiplied together give a palindrome (6996).

The spelling of 11636 in words is "eleven thousand, six hundred thirty-six".