12055863 has 8 divisors (see below), whose sum is σ = 16192368. Its totient is φ = 7978304.

The previous prime is 12055859. The next prime is 12055891. The reversal of 12055863 is 36855021.

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 12055863 - 2² = 12055859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12055863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055843) 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, 14256 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (2024046).

Almost surely, 2^12055863 is an apocalyptic number.

12055863 is a deficient number, since it is larger than the sum of its proper divisors (4136505).

12055863 is a wasteful number, since it uses less digits than its factorization.

12055863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29473.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12055863 is about 3472.1553824678. The cubic root of 12055863 is about 229.2975607193.

The spelling of 12055863 in words is "twelve million, fifty-five thousand, eight hundred sixty-three".