64504012 has 12 divisors (see below), whose sum is σ = 118823320. Its totient is φ = 30554496.

The previous prime is 64504003. The next prime is 64504057. The reversal of 64504012 is 21040546.

It is a super-2 number, since 2×64504012² = 8321535128192288, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 424293 + ... + 424444.

Almost surely, 2^64504012 is an apocalyptic number.

It is an amenable number.

64504012 is a deficient number, since it is larger than the sum of its proper divisors (54319308).

64504012 is a wasteful number, since it uses less digits than its factorization.

64504012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848760 (or 848758 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 64504012 is about 8031.4389744304. The cubic root of 64504012 is about 401.0472806153.

Adding to 64504012 its reverse (21040546), we get a palindrome (85544558).

The spelling of 64504012 in words is "sixty-four million, five hundred four thousand, twelve".