11920038 has 16 divisors (see below), whose sum is σ = 25674096. Its totient is φ = 3667680.

The previous prime is 11920033. The next prime is 11920061. The reversal of 11920038 is 83002911.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11920033) 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 7 ways as a sum of consecutive naturals, for example, 76333 + ... + 76488.

It is an arithmetic number, because the mean of its divisors is an integer number (1604631).

Almost surely, 2^11920038 is an apocalyptic number.

11920038 is an abundant number, since it is smaller than the sum of its proper divisors (13754058).

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

11920038 is a wasteful number, since it uses less digits than its factorization.

11920038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152839.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11920038 is about 3452.5408035243. The cubic root of 11920038 is about 228.4331945788.

Adding to 11920038 its reverse (83002911), we get a palindrome (94922949).

The spelling of 11920038 in words is "eleven million, nine hundred twenty thousand, thirty-eight".