12386091 has 4 divisors (see below), whose sum is σ = 16514792. Its totient is φ = 8257392.

The previous prime is 12386069. The next prime is 12386093. The reversal of 12386091 is 19068321.

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

It is not a de Polignac number, because 12386091 - 2⁷ = 12385963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12386093) 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 3 ways as a sum of consecutive naturals, for example, 2064346 + ... + 2064351.

It is an arithmetic number, because the mean of its divisors is an integer number (4128698).

Almost surely, 2^12386091 is an apocalyptic number.

12386091 is a deficient number, since it is larger than the sum of its proper divisors (4128701).

12386091 is an equidigital number, since it uses as much as digits as its factorization.

12386091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128700.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12386091 is about 3519.3878729120. The cubic root of 12386091 is about 231.3723310876.

The spelling of 12386091 in words is "twelve million, three hundred eighty-six thousand, ninety-one".