12589345 has 4 divisors (see below), whose sum is σ = 15107220. Its totient is φ = 10071472.

The previous prime is 12589327. The next prime is 12589351. The reversal of 12589345 is 54398521.

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 8225424 + 4363921 = 2868^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 12589345 - 2⁹ = 12588833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258930 + ... + 1258939.

It is an arithmetic number, because the mean of its divisors is an integer number (3776805).

Almost surely, 2^12589345 is an apocalyptic number.

It is an amenable number.

12589345 is a deficient number, since it is larger than the sum of its proper divisors (2517875).

12589345 is an equidigital number, since it uses as much as digits as its factorization.

12589345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517874.

The product of its digits is 43200, while the sum is 37.

The square root of 12589345 is about 3548.1466993347. The cubic root of 12589345 is about 232.6310665020.

The spelling of 12589345 in words is "twelve million, five hundred eighty-nine thousand, three hundred forty-five".