11405132 has 12 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 5691216.

The previous prime is 11405129. The next prime is 11405137. The reversal of 11405132 is 23150411.

It is a self number, because there is not a number n which added to its sum of digits gives 11405132.

It is not an unprimeable number, because it can be changed into a prime (11405137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (1666560).

Almost surely, 2^11405132 is an apocalyptic number.

It is an amenable number.

11405132 is a deficient number, since it is larger than the sum of its proper divisors (8593588).

11405132 is a wasteful number, since it uses less digits than its factorization.

11405132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11405132 is about 3377.1485013247. The cubic root of 11405132 is about 225.0954788194.

Adding to 11405132 its reverse (23150411), we get a palindrome (34555543).

The spelling of 11405132 in words is "eleven million, four hundred five thousand, one hundred thirty-two".