12055655 has 4 divisors (see below), whose sum is σ = 14466792. Its totient is φ = 9644520.

The previous prime is 12055649. The next prime is 12055661. The reversal of 12055655 is 55655021.

12055655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12055649) and next prime (12055661).

It is not a de Polignac number, because 12055655 - 2⁴ = 12055639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205561 + ... + 1205570.

It is an arithmetic number, because the mean of its divisors is an integer number (3616698).

Almost surely, 2^12055655 is an apocalyptic number.

12055655 is a deficient number, since it is larger than the sum of its proper divisors (2411137).

12055655 is an equidigital number, since it uses as much as digits as its factorization.

12055655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411136.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 12055655 is about 3472.1254297620. The cubic root of 12055655 is about 229.2962420202.

The spelling of 12055655 in words is "twelve million, fifty-five thousand, six hundred fifty-five".