12406672 has 10 divisors (see below), whose sum is σ = 24037958. Its totient is φ = 6203328.

The previous prime is 12406663. The next prime is 12406673. The reversal of 12406672 is 27660421.

It can be written as a sum of positive squares in only one way, i.e., 10653696 + 1752976 = 3264^2 + 1324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12406672.

It is not an unprimeable number, because it can be changed into a prime (12406673) 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, 387693 + ... + 387724.

Almost surely, 2^12406672 is an apocalyptic number.

It is an amenable number.

12406672 is a deficient number, since it is larger than the sum of its proper divisors (11631286).

12406672 is an equidigital number, since it uses as much as digits as its factorization.

12406672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775425 (or 775419 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12406672 is about 3522.3106052704. The cubic root of 12406672 is about 231.5004112839.

The spelling of 12406672 in words is "twelve million, four hundred six thousand, six hundred seventy-two".