12660086 has 4 divisors (see below), whose sum is σ = 18990132. Its totient is φ = 6330042.

The previous prime is 12660013. The next prime is 12660091. The reversal of 12660086 is 68006621.

12660086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165020 + ... + 3165023.

It is an arithmetic number, because the mean of its divisors is an integer number (4747533).

Almost surely, 2^12660086 is an apocalyptic number.

12660086 is a deficient number, since it is larger than the sum of its proper divisors (6330046).

12660086 is an equidigital number, since it uses as much as digits as its factorization.

12660086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330045.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12660086 is about 3558.1014600486. The cubic root of 12660086 is about 233.0659799512.

The spelling of 12660086 in words is "twelve million, six hundred sixty thousand, eighty-six".