12042655 has 8 divisors (see below), whose sum is σ = 14493600. Its totient is φ = 9605856.

The previous prime is 12042619. The next prime is 12042659. The reversal of 12042655 is 55624021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042655 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1811700).

Almost surely, 2^12042655 is an apocalyptic number.

12042655 is a deficient number, since it is larger than the sum of its proper divisors (2450945).

12042655 is an equidigital number, since it uses as much as digits as its factorization.

12042655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 12042655 is about 3470.2528726305. The cubic root of 12042655 is about 229.2137932098.

Adding to 12042655 its reverse (55624021), we get a palindrome (67666676).

The spelling of 12042655 in words is "twelve million, forty-two thousand, six hundred fifty-five".