12511086 has 32 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 3533376.

The previous prime is 12511049. The next prime is 12511087. The reversal of 12511086 is 68011521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 2^12511086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12511086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

12511086 is an abundant number, since it is smaller than the sum of its proper divisors (16415634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12511086 is a wasteful number, since it uses less digits than its factorization.

12511086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12511086 is about 3537.1013556301. The cubic root of 12511086 is about 232.1480302798.

It can be divided in two parts, 125 and 11086, that added together give a palindrome (11211).

The spelling of 12511086 in words is "twelve million, five hundred eleven thousand, eighty-six".