12593861 has 4 divisors (see below), whose sum is σ = 14392992. Its totient is φ = 10794732.

The previous prime is 12593831. The next prime is 12593873. The reversal of 12593861 is 16839521.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12593861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12593831) 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, 899555 + ... + 899568.

It is an arithmetic number, because the mean of its divisors is an integer number (3598248).

Almost surely, 2^12593861 is an apocalyptic number.

It is an amenable number.

12593861 is a deficient number, since it is larger than the sum of its proper divisors (1799131).

12593861 is an equidigital number, since it uses as much as digits as its factorization.

12593861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799130.

The product of its digits is 12960, while the sum is 35.

The square root of 12593861 is about 3548.7830308431. The cubic root of 12593861 is about 232.6588793417.

The spelling of 12593861 in words is "twelve million, five hundred ninety-three thousand, eight hundred sixty-one".