12306593 has 4 divisors (see below), whose sum is σ = 13253268. Its totient is φ = 11359920.

The previous prime is 12306583. The next prime is 12306599. The reversal of 12306593 is 39560321.

12306593 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1763584 + 10543009 = 1328^2 + 3247^2 .

It is not a de Polignac number, because 12306593 - 2⁴ = 12306577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12306599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473318 + ... + 473343.

It is an arithmetic number, because the mean of its divisors is an integer number (3313317).

Almost surely, 2^12306593 is an apocalyptic number.

12306593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12306593 is a deficient number, since it is larger than the sum of its proper divisors (946675).

12306593 is an equidigital number, since it uses as much as digits as its factorization.

12306593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946674.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 12306593 is about 3508.0753982775. The cubic root of 12306593 is about 230.8762603839.

The spelling of 12306593 in words is "twelve million, three hundred six thousand, five hundred ninety-three".