12042017 has 4 divisors (see below), whose sum is σ = 12968340. Its totient is φ = 11115696.

The previous prime is 12041999. The next prime is 12042053. The reversal of 12042017 is 71024021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3066001 + 8976016 = 1751^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042017 - 2²² = 7847713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12041986 and 12042004.

It is not an unprimeable number, because it can be changed into a prime (12042517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463142 + ... + 463167.

It is an arithmetic number, because the mean of its divisors is an integer number (3242085).

Almost surely, 2^12042017 is an apocalyptic number.

It is an amenable number.

12042017 is a deficient number, since it is larger than the sum of its proper divisors (926323).

12042017 is an equidigital number, since it uses as much as digits as its factorization.

12042017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926322.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12042017 is about 3470.1609472761. The cubic root of 12042017 is about 229.2097453488.

Adding to 12042017 its reverse (71024021), we get a palindrome (83066038).

The spelling of 12042017 in words is "twelve million, forty-two thousand, seventeen".