11920836 has 24 divisors (see below), whose sum is σ = 27871200. Its totient is φ = 3965632.

The previous prime is 11920807. The next prime is 11920837. The reversal of 11920836 is 63802911.

It is not an unprimeable number, because it can be changed into a prime (11920837) 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, 10840 + ... + 11888.

It is an arithmetic number, because the mean of its divisors is an integer number (1161300).

Almost surely, 2^11920836 is an apocalyptic number.

It is an amenable number.

11920836 is an abundant number, since it is smaller than the sum of its proper divisors (15950364).

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

11920836 is a wasteful number, since it uses less digits than its factorization.

11920836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11920836 is about 3452.6563686530. The cubic root of 11920836 is about 228.4382920352.

The spelling of 11920836 in words is "eleven million, nine hundred twenty thousand, eight hundred thirty-six".