12643295 has 8 divisors (see below), whose sum is σ = 17339424. Its totient is φ = 8669664.

The previous prime is 12643283. The next prime is 12643313. The reversal of 12643295 is 59234621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12643295 - 2¹⁶ = 12577759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180584 + ... + 180653.

It is an arithmetic number, because the mean of its divisors is an integer number (2167428).

Almost surely, 2^12643295 is an apocalyptic number.

12643295 is a deficient number, since it is larger than the sum of its proper divisors (4696129).

12643295 is an equidigital number, since it uses as much as digits as its factorization.

12643295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361249.

The product of its digits is 12960, while the sum is 32.

The square root of 12643295 is about 3555.7411323098. The cubic root of 12643295 is about 232.9628963372.

The spelling of 12643295 in words is "twelve million, six hundred forty-three thousand, two hundred ninety-five".