12516648 has 16 divisors (see below), whose sum is σ = 31291680. Its totient is φ = 4172208.

The previous prime is 12516643. The next prime is 12516659. The reversal of 12516648 is 84661521.

It is not an unprimeable number, because it can be changed into a prime (12516643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260740 + ... + 260787.

It is an arithmetic number, because the mean of its divisors is an integer number (1955730).

Almost surely, 2^12516648 is an apocalyptic number.

It is an amenable number.

12516648 is an abundant number, since it is smaller than the sum of its proper divisors (18775032).

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

12516648 is a wasteful number, since it uses less digits than its factorization.

12516648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521536 (or 521532 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12516648 is about 3537.8875052777. The cubic root of 12516648 is about 232.1824268688.

The spelling of 12516648 in words is "twelve million, five hundred sixteen thousand, six hundred forty-eight".