12912086 has 16 divisors (see below), whose sum is σ = 21245328. Its totient is φ = 5836800.

The previous prime is 12912073. The next prime is 12912101. The reversal of 12912086 is 68021921.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2726 + ... + 5766.

It is an arithmetic number, because the mean of its divisors is an integer number (1327833).

Almost surely, 2^12912086 is an apocalyptic number.

12912086 is a deficient number, since it is larger than the sum of its proper divisors (8333242).

12912086 is a wasteful number, since it uses less digits than its factorization.

12912086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12912086 is about 3593.3391156416. The cubic root of 12912086 is about 234.6022303749.

The spelling of 12912086 in words is "twelve million, nine hundred twelve thousand, eighty-six".