12042307 has 4 divisors (see below), whose sum is σ = 12750696. Its totient is φ = 11333920.

The previous prime is 12042301. The next prime is 12042311. The reversal of 12042307 is 70324021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70324021 = 887 ⋅79283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 354169 + ... + 354202.

It is an arithmetic number, because the mean of its divisors is an integer number (3187674).

Almost surely, 2^12042307 is an apocalyptic number.

12042307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12042307 is a deficient number, since it is larger than the sum of its proper divisors (708389).

12042307 is an equidigital number, since it uses as much as digits as its factorization.

12042307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708388.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12042307 is about 3470.2027318299. The cubic root of 12042307 is about 229.2115853033.

Adding to 12042307 its reverse (70324021), we get a palindrome (82366328).

The spelling of 12042307 in words is "twelve million, forty-two thousand, three hundred seven".