11986673 has 4 divisors (see below), whose sum is σ = 12150948. Its totient is φ = 11822400.

The previous prime is 11986669. The next prime is 11986691. The reversal of 11986673 is 37668911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37668911 = 7 ⋅5381273.

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 6265009 = 2392^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 11986673 - 2² = 11986669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11986673.

It is not an unprimeable number, because it can be changed into a prime (11986643) 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, 82028 + ... + 82173.

It is an arithmetic number, because the mean of its divisors is an integer number (3037737).

Almost surely, 2^11986673 is an apocalyptic number.

It is an amenable number.

11986673 is a deficient number, since it is larger than the sum of its proper divisors (164275).

11986673 is an equidigital number, since it uses as much as digits as its factorization.

11986673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164274.

The product of its digits is 54432, while the sum is 41.

The square root of 11986673 is about 3462.1774940058. The cubic root of 11986673 is about 228.8580637455.

The spelling of 11986673 in words is "eleven million, nine hundred eighty-six thousand, six hundred seventy-three".