11643132 has 12 divisors (see below), whose sum is σ = 27167336. Its totient is φ = 3881040.

The previous prime is 11643109. The next prime is 11643133. The reversal of 11643132 is 23134611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11643099 and 11643108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485119 + ... + 485142.

Almost surely, 2^11643132 is an apocalyptic number.

11643132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11643132 is an abundant number, since it is smaller than the sum of its proper divisors (15524204).

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

11643132 is a wasteful number, since it uses less digits than its factorization.

11643132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970268 (or 970266 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 11643132 is about 3412.2033937033. The cubic root of 11643132 is about 226.6504611636.

Adding to 11643132 its reverse (23134611), we get a palindrome (34777743).

The spelling of 11643132 in words is "eleven million, six hundred forty-three thousand, one hundred thirty-two".