11882005 has 16 divisors (see below), whose sum is σ = 14742000. Its totient is φ = 9187840.

The previous prime is 11881957. The next prime is 11882071. The reversal of 11882005 is 50028811.

11882005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5049009 + 6832996 = 2247^2 + 2614^2 .

It is not a de Polignac number, because 11882005 - 2¹⁵ = 11849237 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, 30351 + ... + 30739.

It is an arithmetic number, because the mean of its divisors is an integer number (921375).

Almost surely, 2^11882005 is an apocalyptic number.

It is an amenable number.

11882005 is a deficient number, since it is larger than the sum of its proper divisors (2859995).

11882005 is a wasteful number, since it uses less digits than its factorization.

11882005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 11882005 is about 3447.0284304020. The cubic root of 11882005 is about 228.1899834887.

The spelling of 11882005 in words is "eleven million, eight hundred eighty-two thousand, five".