11983105 has 8 divisors (see below), whose sum is σ = 14460264. Its totient is φ = 9532800.

The previous prime is 11983099. The next prime is 11983109. The reversal of 11983105 is 50138911.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 10653696 = 1153^2 + 3264^2 .

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

It is not a de Polignac number, because 11983105 - 2¹³ = 11974913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11983109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1807533).

Almost surely, 2^11983105 is an apocalyptic number.

It is an amenable number.

11983105 is a deficient number, since it is larger than the sum of its proper divisors (2477159).

11983105 is a wasteful number, since it uses less digits than its factorization.

11983105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13427.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11983105 is about 3461.6621730030. The cubic root of 11983105 is about 228.8353538963.

The spelling of 11983105 in words is "eleven million, nine hundred eighty-three thousand, one hundred five".