11983205 has 32 divisors (see below), whose sum is σ = 16880640. Its totient is φ = 8087040.

The previous prime is 11983201. The next prime is 11983211. The reversal of 11983205 is 50238911.

It is not a de Polignac number, because 11983205 - 2² = 11983201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11983201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38129 + ... + 38441.

It is an arithmetic number, because the mean of its divisors is an integer number (527520).

Almost surely, 2^11983205 is an apocalyptic number.

It is an amenable number.

11983205 is a deficient number, since it is larger than the sum of its proper divisors (4897435).

11983205 is a wasteful number, since it uses less digits than its factorization.

11983205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 11983205 is about 3461.6766169011. The cubic root of 11983205 is about 228.8359904445.

The spelling of 11983205 in words is "eleven million, nine hundred eighty-three thousand, two hundred five".