12055535 has 4 divisors (see below), whose sum is σ = 14466648. Its totient is φ = 9644424.

The previous prime is 12055531. The next prime is 12055553. The reversal of 12055535 is 53555021.

12055535 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 a cyclic number.

It is not a de Polignac number, because 12055535 - 2² = 12055531 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 (12055531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1205549 + ... + 1205558.

It is an arithmetic number, because the mean of its divisors is an integer number (3616662).

Almost surely, 2^12055535 is an apocalyptic number.

12055535 is a deficient number, since it is larger than the sum of its proper divisors (2411113).

12055535 is an equidigital number, since it uses as much as digits as its factorization.

12055535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411112.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 12055535 is about 3472.1081492373. The cubic root of 12055535 is about 229.2954812253.

It can be divided in two parts, 120 and 55535, that added together give a palindrome (55655).

The spelling of 12055535 in words is "twelve million, fifty-five thousand, five hundred thirty-five".