12042755 has 8 divisors (see below), whose sum is σ = 14475552. Its totient is φ = 9618048.

The previous prime is 12042739. The next prime is 12042761. The reversal of 12042755 is 55724021.

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 12042755 - 2⁴ = 12042739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1809444).

Almost surely, 2^12042755 is an apocalyptic number.

12042755 is a deficient number, since it is larger than the sum of its proper divisors (2432797).

12042755 is an equidigital number, since it uses as much as digits as its factorization.

12042755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12042755 is about 3470.2672807725. The cubic root of 12042755 is about 229.2144276579.

Adding to 12042755 its reverse (55724021), we get a palindrome (67766776).

It can be divided in two parts, 120 and 42755, that added together give a cube (42875 = 35³).

The spelling of 12042755 in words is "twelve million, forty-two thousand, seven hundred fifty-five".