11203992 has 48 divisors (see below), whose sum is σ = 30853680. Its totient is φ = 3672000.

The previous prime is 11203987. The next prime is 11203993. The reversal of 11203992 is 29930211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203993) 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 11 ways as a sum of consecutive naturals, for example, 3117 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (642785).

Almost surely, 2^11203992 is an apocalyptic number.

11203992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11203992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15426840).

11203992 is an abundant number, since it is smaller than the sum of its proper divisors (19649688).

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

11203992 is a wasteful number, since it uses less digits than its factorization.

11203992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11203992 is about 3347.2364720766. The cubic root of 11203992 is about 223.7643674388.

The spelling of 11203992 in words is "eleven million, two hundred three thousand, nine hundred ninety-two".