12545593 has 2 divisors, whose sum is σ = 12545594. Its totient is φ = 12545592.

The previous prime is 12545591. The next prime is 12545633. The reversal of 12545593 is 39554521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12482089 + 63504 = 3533^2 + 252^2 .

It is a cyclic number.

It is not a de Polignac number, because 12545593 - 2¹ = 12545591 is a prime.

Together with 12545591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12545591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272796 + 6272797.

It is an arithmetic number, because the mean of its divisors is an integer number (6272797).

Almost surely, 2^12545593 is an apocalyptic number.

It is an amenable number.

12545593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12545593 is an equidigital number, since it uses as much as digits as its factorization.

12545593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 12545593 is about 3541.9758610132. The cubic root of 12545593 is about 232.3612645934.

The spelling of 12545593 in words is "twelve million, five hundred forty-five thousand, five hundred ninety-three".