12681086 has 16 divisors (see below), whose sum is σ = 20938608. Its totient is φ = 5712000.

The previous prime is 12681079. The next prime is 12681089. The reversal of 12681086 is 68018621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681089) 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, 65 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1308663).

Almost surely, 2^12681086 is an apocalyptic number.

12681086 is a deficient number, since it is larger than the sum of its proper divisors (8257522).

12681086 is a wasteful number, since it uses less digits than its factorization.

12681086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12681086 is about 3561.0512492802. The cubic root of 12681086 is about 233.1947753341.

The spelling of 12681086 in words is "twelve million, six hundred eighty-one thousand, eighty-six".