12295643 has 8 divisors (see below), whose sum is σ = 12484368. Its totient is φ = 12108544.

The previous prime is 12295637. The next prime is 12295667. The reversal of 12295643 is 34659221.

It is a happy number.

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

It is not a de Polignac number, because 12295643 - 2¹² = 12291547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12295693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26096 + ... + 26562.

It is an arithmetic number, because the mean of its divisors is an integer number (1560546).

Almost surely, 2^12295643 is an apocalyptic number.

12295643 is a deficient number, since it is larger than the sum of its proper divisors (188725).

12295643 is a wasteful number, since it uses less digits than its factorization.

12295643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

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

The square root of 12295643 is about 3506.5143661477. The cubic root of 12295643 is about 230.8077647077.

The spelling of 12295643 in words is "twelve million, two hundred ninety-five thousand, six hundred forty-three".