11660904 has 24 divisors (see below), whose sum is σ = 31581810. Its totient is φ = 3886944.

The previous prime is 11660903. The next prime is 11660911. The reversal of 11660904 is 40906611.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 4848804 = 2610^2 + 2202^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (11660903) 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 5 ways as a sum of consecutive naturals, for example, 80907 + ... + 81050.

Almost surely, 2^11660904 is an apocalyptic number.

It is an amenable number.

11660904 is an abundant number, since it is smaller than the sum of its proper divisors (19920906).

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

11660904 is a wasteful number, since it uses less digits than its factorization.

11660904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161969 (or 161962 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11660904 is about 3414.8065831025. The cubic root of 11660904 is about 226.7657217962.

The spelling of 11660904 in words is "eleven million, six hundred sixty thousand, nine hundred four".