11321432 has 8 divisors (see below), whose sum is σ = 21227700. Its totient is φ = 5660712.

The previous prime is 11321399. The next prime is 11321437. The reversal of 11321432 is 23412311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11321432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707582 + ... + 707597.

Almost surely, 2^11321432 is an apocalyptic number.

It is an amenable number.

11321432 is a deficient number, since it is larger than the sum of its proper divisors (9906268).

11321432 is a wasteful number, since it uses less digits than its factorization.

11321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415185 (or 1415181 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 11321432 is about 3364.7335704332. The cubic root of 11321432 is about 224.5434825985.

Adding to 11321432 its reverse (23412311), we get a palindrome (34733743).

The spelling of 11321432 in words is "eleven million, three hundred twenty-one thousand, four hundred thirty-two".