11663004 has 12 divisors (see below), whose sum is σ = 27213704. Its totient is φ = 3887664.

The previous prime is 11662997. The next prime is 11663009. The reversal of 11663004 is 40036611.

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 (11663009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485947 + ... + 485970.

Almost surely, 2^11663004 is an apocalyptic number.

It is an amenable number.

11663004 is an abundant number, since it is smaller than the sum of its proper divisors (15550700).

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

11663004 is a wasteful number, since it uses less digits than its factorization.

11663004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971924 (or 971922 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 11663004 is about 3415.1140537323. The cubic root of 11663004 is about 226.7793336463.

Adding to 11663004 its reverse (40036611), we get a palindrome (51699615).

The spelling of 11663004 in words is "eleven million, six hundred sixty-three thousand, four".