12042447 has 8 divisors (see below), whose sum is σ = 16901760. Its totient is φ = 7605720.

The previous prime is 12042439. The next prime is 12042449. The reversal of 12042447 is 74424021.

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

It is not a de Polignac number, because 12042447 - 2³ = 12042439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042449) 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, 105579 + ... + 105692.

It is an arithmetic number, because the mean of its divisors is an integer number (2112720).

Almost surely, 2^12042447 is an apocalyptic number.

12042447 is a deficient number, since it is larger than the sum of its proper divisors (4859313).

12042447 is a wasteful number, since it uses less digits than its factorization.

12042447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211293.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 12042447 is about 3470.2229035035. Note that the first 3 decimals coincide. The cubic root of 12042447 is about 229.2124735467.

Adding to 12042447 its reverse (74424021), we get a palindrome (86466468).

The spelling of 12042447 in words is "twelve million, forty-two thousand, four hundred forty-seven".