11903922 has 40 divisors (see below), whose sum is σ = 26880876. Its totient is φ = 3937248.

The previous prime is 11903921. The next prime is 11903933. The reversal of 11903922 is 22930911.

It can be written as a sum of positive squares in 2 ways, for example, as 10556001 + 1347921 = 3249^2 + 1161^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11903921) 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 19 ways as a sum of consecutive naturals, for example, 31728 + ... + 32100.

Almost surely, 2^11903922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11903922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13440438).

11903922 is an abundant number, since it is smaller than the sum of its proper divisors (14976954).

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

11903922 is a wasteful number, since it uses less digits than its factorization.

11903922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 575 counting only the distinct ones).

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

The square root of 11903922 is about 3450.2060808016. The cubic root of 11903922 is about 228.3302002281.

The spelling of 11903922 in words is "eleven million, nine hundred three thousand, nine hundred twenty-two".