11673605 has 8 divisors (see below), whose sum is σ = 14082072. Its totient is φ = 9289728.

The previous prime is 11673601. The next prime is 11673617. The reversal of 11673605 is 50637611.

It can be written as a sum of positive squares in 4 ways, for example, as 174724 + 11498881 = 418^2 + 3391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11673605 - 2² = 11673601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (1760259).

Almost surely, 2^11673605 is an apocalyptic number.

It is an amenable number.

11673605 is a deficient number, since it is larger than the sum of its proper divisors (2408467).

11673605 is a wasteful number, since it uses less digits than its factorization.

11673605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 11673605 is about 3416.6657723576. The cubic root of 11673605 is about 226.8480226304.

The spelling of 11673605 in words is "eleven million, six hundred seventy-three thousand, six hundred five".