11881205 has 16 divisors (see below), whose sum is σ = 16504320. Its totient is φ = 8042112.

The previous prime is 11881193. The next prime is 11881223. The reversal of 11881205 is 50218811.

It is a cyclic number.

It is not a de Polignac number, because 11881205 - 2⁶ = 11881141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (1031520).

Almost surely, 2^11881205 is an apocalyptic number.

It is an amenable number.

11881205 is a deficient number, since it is larger than the sum of its proper divisors (4623115).

11881205 is an equidigital number, since it uses as much as digits as its factorization.

11881205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 11881205 is about 3446.9123864700. The cubic root of 11881205 is about 228.1848621285.

The spelling of 11881205 in words is "eleven million, eight hundred eighty-one thousand, two hundred five".