11592881 has 4 divisors (see below), whose sum is σ = 11707764. Its totient is φ = 11478000.

The previous prime is 11592871. The next prime is 11592887. The reversal of 11592881 is 18829511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 6682225 = 2216^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 11592881 - 2¹⁰ = 11591857 is a prime.

It is a super-2 number, since 2×11592881² = 268789779760322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11592887) 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 3 ways as a sum of consecutive naturals, for example, 57290 + ... + 57491.

It is an arithmetic number, because the mean of its divisors is an integer number (2926941).

Almost surely, 2^11592881 is an apocalyptic number.

It is an amenable number.

11592881 is a deficient number, since it is larger than the sum of its proper divisors (114883).

11592881 is a wasteful number, since it uses less digits than its factorization.

11592881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114882.

The product of its digits is 5760, while the sum is 35.

The square root of 11592881 is about 3404.8320076033. The cubic root of 11592881 is about 226.3239213905.

The spelling of 11592881 in words is "eleven million, five hundred ninety-two thousand, eight hundred eighty-one".