12406054 has 4 divisors (see below), whose sum is σ = 18609084. Its totient is φ = 6203026.

The previous prime is 12406049. The next prime is 12406057. The reversal of 12406054 is 45060421.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406057) 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 as a sum of consecutive naturals, namely, 3101512 + ... + 3101515.

It is an arithmetic number, because the mean of its divisors is an integer number (4652271).

Almost surely, 2^12406054 is an apocalyptic number.

12406054 is a deficient number, since it is larger than the sum of its proper divisors (6203030).

12406054 is an equidigital number, since it uses as much as digits as its factorization.

12406054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203029.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12406054 is about 3522.2228776726. Note that the first 3 decimals coincide. The cubic root of 12406054 is about 231.4965673943.

Adding to 12406054 its reverse (45060421), we get a palindrome (57466475).

The spelling of 12406054 in words is "twelve million, four hundred six thousand, fifty-four".