12566093 has 4 divisors (see below), whose sum is σ = 12595548. Its totient is φ = 12536640.

The previous prime is 12566089. The next prime is 12566101. The reversal of 12566093 is 39066521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39066521 = 13 ⋅3005117.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 4959529 = 2758^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 12566093 - 2² = 12566089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12566003) 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, 14078 + ... + 14943.

It is an arithmetic number, because the mean of its divisors is an integer number (3148887).

Almost surely, 2^12566093 is an apocalyptic number.

It is an amenable number.

12566093 is a deficient number, since it is larger than the sum of its proper divisors (29455).

12566093 is an equidigital number, since it uses as much as digits as its factorization.

12566093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29454.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 12566093 is about 3544.8685448123. The cubic root of 12566093 is about 232.4877582486.

The spelling of 12566093 in words is "twelve million, five hundred sixty-six thousand, ninety-three".