11204661 has 16 divisors (see below), whose sum is σ = 16936640. Its totient is φ = 6531840.

The previous prime is 11204647. The next prime is 11204689. The reversal of 11204661 is 16640211.

It is not a de Polignac number, because 11204661 - 2¹⁴ = 11188277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204621) 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 15 ways as a sum of consecutive naturals, for example, 6820 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (1058540).

Almost surely, 2^11204661 is an apocalyptic number.

It is an amenable number.

11204661 is a deficient number, since it is larger than the sum of its proper divisors (5731979).

11204661 is a wasteful number, since it uses less digits than its factorization.

11204661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15156.

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

The square root of 11204661 is about 3347.3364037694. The cubic root of 11204661 is about 223.7688210711.

Adding to 11204661 its reverse (16640211), we get a palindrome (27844872).

The spelling of 11204661 in words is "eleven million, two hundred four thousand, six hundred sixty-one".