11920404 has 12 divisors (see below), whose sum is σ = 27814304. Its totient is φ = 3973464.

The previous prime is 11920397. The next prime is 11920409. The reversal of 11920404 is 40402911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11920409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496672 + ... + 496695.

Almost surely, 2^11920404 is an apocalyptic number.

It is an amenable number.

11920404 is an abundant number, since it is smaller than the sum of its proper divisors (15893900).

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

11920404 is a wasteful number, since it uses less digits than its factorization.

11920404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993374 (or 993372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11920404 is about 3452.5938075598. The cubic root of 11920404 is about 228.4355325381.

The spelling of 11920404 in words is "eleven million, nine hundred twenty thousand, four hundred four".