6504012 has 18 divisors (see below), whose sum is σ = 16440788. Its totient is φ = 2167992.

The previous prime is 6504011. The next prime is 6504037. The reversal of 6504012 is 2104056.

It is a happy number.

6504012 is a `hidden beast` number, since 650 + 4 + 0 + 12 = 666.

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

It is a super-2 number, since 2×6504012² = 84604344192288, which contains 22 as substring.

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 (6504011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90298 + ... + 90369.

Almost surely, 2^6504012 is an apocalyptic number.

It is an amenable number.

6504012 is an abundant number, since it is smaller than the sum of its proper divisors (9936776).

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

6504012 is a wasteful number, since it uses less digits than its factorization.

6504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180677 (or 180672 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6504012 is about 2550.2964533560. The cubic root of 6504012 is about 186.6639469558.

Adding to 6504012 its reverse (2104056), we get a palindrome (8608068).

The spelling of 6504012 in words is "six million, five hundred four thousand, twelve".