12085755 has 32 divisors (see below), whose sum is σ = 21358080. Its totient is φ = 5786880.

The previous prime is 12085727. The next prime is 12085763. The reversal of 12085755 is 55758021.

Added to its reverse (55758021) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a happy number.

12085755 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12085755 - 2¹⁰ = 12084731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14274 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (667440).

Almost surely, 2^12085755 is an apocalyptic number.

12085755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12085755 is a deficient number, since it is larger than the sum of its proper divisors (9272325).

12085755 is a wasteful number, since it uses less digits than its factorization.

12085755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 12085755 is about 3476.4572484068. The cubic root of 12085755 is about 229.4869154923.

Adding to 12085755 its reverse (55758021), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 12085755 in words is "twelve million, eighty-five thousand, seven hundred fifty-five".