11685673 has 4 divisors (see below), whose sum is σ = 12001540. Its totient is φ = 11369808.

The previous prime is 11685643. The next prime is 11685721. The reversal of 11685673 is 37658611.

11685673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4700224 + 6985449 = 2168^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 11685673 - 2¹³ = 11677481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 315829 = 11685673 / (1 + 1 + 6 + 8 + 5 + 6 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11685643) 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, 157878 + ... + 157951.

It is an arithmetic number, because the mean of its divisors is an integer number (3000385).

Almost surely, 2^11685673 is an apocalyptic number.

It is an amenable number.

11685673 is a deficient number, since it is larger than the sum of its proper divisors (315867).

11685673 is an equidigital number, since it uses as much as digits as its factorization.

11685673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315866.

The product of its digits is 30240, while the sum is 37.

The square root of 11685673 is about 3418.4313654072. The cubic root of 11685673 is about 226.9261664176.

The spelling of 11685673 in words is "eleven million, six hundred eighty-five thousand, six hundred seventy-three".