12418047 has 12 divisors (see below), whose sum is σ = 17988360. Its totient is φ = 8255088.

The previous prime is 12418019. The next prime is 12418067. The reversal of 12418047 is 74081421.

It is not a de Polignac number, because 12418047 - 2⁸ = 12417791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12418047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1728 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1499030).

Almost surely, 2^12418047 is an apocalyptic number.

12418047 is a deficient number, since it is larger than the sum of its proper divisors (5570313).

12418047 is a wasteful number, since it uses less digits than its factorization.

12418047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12418047 is about 3523.9249424470. The cubic root of 12418047 is about 231.5711397007.

Adding to 12418047 its reverse (74081421), we get a palindrome (86499468).

The spelling of 12418047 in words is "twelve million, four hundred eighteen thousand, forty-seven".