11321992 has 16 divisors (see below), whose sum is σ = 23158800. Its totient is φ = 5146320.

The previous prime is 11321951. The next prime is 11321993. The reversal of 11321992 is 29912311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321992.

It is not an unprimeable number, because it can be changed into a prime (11321993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64242 + ... + 64417.

It is an arithmetic number, because the mean of its divisors is an integer number (1447425).

Almost surely, 2^11321992 is an apocalyptic number.

It is an amenable number.

11321992 is an abundant number, since it is smaller than the sum of its proper divisors (11836808).

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

11321992 is a wasteful number, since it uses less digits than its factorization.

11321992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128676 (or 128672 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 11321992 is about 3364.8167855026. The cubic root of 11321992 is about 224.5471847885.

It can be divided in two parts, 113219 and 92, that added together give a palindrome (113311).

The spelling of 11321992 in words is "eleven million, three hundred twenty-one thousand, nine hundred ninety-two".