12480012 has 18 divisors (see below), whose sum is σ = 31546788. Its totient is φ = 4159992.

The previous prime is 12479993. The next prime is 12480029. The reversal of 12480012 is 21008421.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 173298 + ... + 173369.

Almost surely, 2^12480012 is an apocalyptic number.

12480012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12480012 is an abundant number, since it is smaller than the sum of its proper divisors (19066776).

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

12480012 is a wasteful number, since it uses less digits than its factorization.

12480012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346677 (or 346672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12480012 is about 3532.7060449463. The cubic root of 12480012 is about 231.9556742507.

Adding to 12480012 its reverse (21008421), we get a palindrome (33488433).

The spelling of 12480012 in words is "twelve million, four hundred eighty thousand, twelve".