12131086 has 16 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 5473080.

The previous prime is 12131071. The next prime is 12131089. The reversal of 12131086 is 68013121.

12131086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131089) 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, 1075 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^12131086 is an apocalyptic number.

12131086 is a deficient number, since it is larger than the sum of its proper divisors (7867634).

12131086 is a wasteful number, since it uses less digits than its factorization.

12131086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12131086 is about 3482.9708583334. The cubic root of 12131086 is about 229.7734757750.

The spelling of 12131086 in words is "twelve million, one hundred thirty-one thousand, eighty-six".