12055858 has 8 divisors (see below), whose sum is σ = 18572652. Its totient is φ = 5864976.

The previous prime is 12055847. The next prime is 12055859. The reversal of 12055858 is 85855021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9223369 + 2832489 = 3037^2 + 1683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12055859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81385 + ... + 81532.

Almost surely, 2^12055858 is an apocalyptic number.

12055858 is a deficient number, since it is larger than the sum of its proper divisors (6516794).

12055858 is a wasteful number, since it uses less digits than its factorization.

12055858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162956.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 12055858 is about 3472.1546624538. The cubic root of 12055858 is about 229.2975290199.

The spelling of 12055858 in words is "twelve million, fifty-five thousand, eight hundred fifty-eight".