11978004 has 12 divisors (see below), whose sum is σ = 27948704. Its totient is φ = 3992664.

The previous prime is 11977967. The next prime is 11978023. The reversal of 11978004 is 40087911.

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

It is a congruent number.

It is an unprimeable number.

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, 499072 + ... + 499095.

Almost surely, 2^11978004 is an apocalyptic number.

It is an amenable number.

11978004 is an abundant number, since it is smaller than the sum of its proper divisors (15970700).

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

11978004 is a wasteful number, since it uses less digits than its factorization.

11978004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998174 (or 998172 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11978004 is about 3460.9253097979. The cubic root of 11978004 is about 228.8028788739.

The spelling of 11978004 in words is "eleven million, nine hundred seventy-eight thousand, four".