12055871 has 8 divisors (see below), whose sum is σ = 12289824. Its totient is φ = 11823840.

The previous prime is 12055859. The next prime is 12055891. The reversal of 12055871 is 17855021.

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 12055871 - 2¹⁴ = 12039487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055801) 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, 19361 + ... + 19973.

It is an arithmetic number, because the mean of its divisors is an integer number (1536228).

Almost surely, 2^12055871 is an apocalyptic number.

12055871 is a deficient number, since it is larger than the sum of its proper divisors (233953).

12055871 is an equidigital number, since it uses as much as digits as its factorization.

12055871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 12055871 is about 3472.1565344898. The cubic root of 12055871 is about 229.2976114382.

The spelling of 12055871 in words is "twelve million, fifty-five thousand, eight hundred seventy-one".