12416004 has 30 divisors (see below), whose sum is σ = 32458734. Its totient is φ = 4138560.

The previous prime is 12416003. The next prime is 12416009. The reversal of 12416004 is 40061421.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 1327104 = 3330^2 + 1152^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12416003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18837 + ... + 19484.

Almost surely, 2^12416004 is an apocalyptic number.

It is an amenable number.

12416004 is an abundant number, since it is smaller than the sum of its proper divisors (20042730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12416004 is a wasteful number, since it uses less digits than its factorization.

12416004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38337 (or 38326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12416004 is about 3523.6350548830. The cubic root of 12416004 is about 231.5584397492.

Adding to 12416004 its reverse (40061421), we get a palindrome (52477425).

The spelling of 12416004 in words is "twelve million, four hundred sixteen thousand, four".