11806131 has 8 divisors (see below), whose sum is σ = 15758784. Its totient is φ = 7862120.

The previous prime is 11806111. The next prime is 11806139. The reversal of 11806131 is 13160811.

11806131 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11806131 - 2¹⁰ = 11805107 is a prime.

It is a super-2 number, since 2×11806131² = 278769458378322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11806098 and 11806107.

It is not an unprimeable number, because it can be changed into a prime (11806139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (1969848).

Almost surely, 2^11806131 is an apocalyptic number.

11806131 is a deficient number, since it is larger than the sum of its proper divisors (3952653).

11806131 is a wasteful number, since it uses less digits than its factorization.

11806131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11806131 is about 3436.0050931278. The cubic root of 11806131 is about 227.7032342408.

Adding to 11806131 its reverse (13160811), we get a palindrome (24966942).

The spelling of 11806131 in words is "eleven million, eight hundred six thousand, one hundred thirty-one".