12000406 has 8 divisors (see below), whose sum is σ = 19637064. Its totient is φ = 5454720.

The previous prime is 12000383. The next prime is 12000407. The reversal of 12000406 is 60400021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000407) 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, 272715 + ... + 272758.

It is an arithmetic number, because the mean of its divisors is an integer number (2454633).

Almost surely, 2^12000406 is an apocalyptic number.

12000406 is a deficient number, since it is larger than the sum of its proper divisors (7636658).

12000406 is a wasteful number, since it uses less digits than its factorization.

12000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545486.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12000406 is about 3464.1602156944. The cubic root of 12000406 is about 228.9454304481.

Adding to 12000406 its reverse (60400021), we get a palindrome (72400427).

The spelling of 12000406 in words is "twelve million, four hundred six", and thus it is an aban number.