12939593 has 4 divisors (see below), whose sum is σ = 13502208. Its totient is φ = 12376980.

The previous prime is 12939583. The next prime is 12939611. The reversal of 12939593 is 39593921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39593921 = 103 ⋅384407.

It is a cyclic number.

It is not a de Polignac number, because 12939593 - 2¹² = 12935497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12939593.

It is not an unprimeable number, because it can be changed into a prime (12939583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281273 + ... + 281318.

It is an arithmetic number, because the mean of its divisors is an integer number (3375552).

Almost surely, 2^12939593 is an apocalyptic number.

It is an amenable number.

12939593 is a deficient number, since it is larger than the sum of its proper divisors (562615).

12939593 is an equidigital number, since it uses as much as digits as its factorization.

12939593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562614.

The product of its digits is 65610, while the sum is 41.

The square root of 12939593 is about 3597.1645778307. The cubic root of 12939593 is about 234.7687055797.

The spelling of 12939593 in words is "twelve million, nine hundred thirty-nine thousand, five hundred ninety-three".