12643593 has 8 divisors (see below), whose sum is σ = 16981728. Its totient is φ = 8367264.

The previous prime is 12643573. The next prime is 12643613. The reversal of 12643593 is 39534621.

It is an interprime number because it is at equal distance from previous prime (12643573) and next prime (12643613).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12643593 - 2¹⁰ = 12642569 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12643513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14971 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (2122716).

Almost surely, 2^12643593 is an apocalyptic number.

It is an amenable number.

12643593 is a deficient number, since it is larger than the sum of its proper divisors (4338135).

12643593 is a wasteful number, since it uses less digits than its factorization.

12643593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30903.

The product of its digits is 19440, while the sum is 33.

The square root of 12643593 is about 3555.7830361258. The cubic root of 12643593 is about 232.9647266195.

The spelling of 12643593 in words is "twelve million, six hundred forty-three thousand, five hundred ninety-three".