12042827 has 4 divisors (see below), whose sum is σ = 12676680. Its totient is φ = 11408976.

The previous prime is 12042809. The next prime is 12042847. The reversal of 12042827 is 72824021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72824021 = 6047 ⋅12043.

It is a cyclic number.

It is not a de Polignac number, because 12042827 - 2¹⁰ = 12041803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12042796 and 12042805.

It is not an unprimeable number, because it can be changed into a prime (12042847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316898 + ... + 316935.

It is an arithmetic number, because the mean of its divisors is an integer number (3169170).

Almost surely, 2^12042827 is an apocalyptic number.

12042827 is a deficient number, since it is larger than the sum of its proper divisors (633853).

12042827 is an equidigital number, since it uses as much as digits as its factorization.

12042827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633852.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12042827 is about 3470.2776545977. The cubic root of 12042827 is about 229.2148844583.

Adding to 12042827 its reverse (72824021), we get a palindrome (84866848).

The spelling of 12042827 in words is "twelve million, forty-two thousand, eight hundred twenty-seven".