12443455 has 8 divisors (see below), whose sum is σ = 14968800. Its totient is φ = 9930336.

The previous prime is 12443449. The next prime is 12443467. The reversal of 12443455 is 55434421.

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 12443455 - 2¹³ = 12435263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 2^12443455 is an apocalyptic number.

12443455 is a deficient number, since it is larger than the sum of its proper divisors (2525345).

12443455 is an equidigital number, since it uses as much as digits as its factorization.

12443455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its digits is 9600, while the sum is 28.

The square root of 12443455 is about 3527.5281713971. The cubic root of 12443455 is about 231.7289678262.

Adding to 12443455 its reverse (55434421), we get a palindrome (67877876).

The spelling of 12443455 in words is "twelve million, four hundred forty-three thousand, four hundred fifty-five".