12516684 has 24 divisors (see below), whose sum is σ = 30148608. Its totient is φ = 4037520.

The previous prime is 12516683. The next prime is 12516689. The reversal of 12516684 is 48661521.

It is not an unprimeable number, because it can be changed into a prime (12516683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16452 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (1256192).

Almost surely, 2^12516684 is an apocalyptic number.

It is an amenable number.

12516684 is an abundant number, since it is smaller than the sum of its proper divisors (17631924).

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

12516684 is a wasteful number, since it uses less digits than its factorization.

12516684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33685 (or 33683 counting only the distinct ones).

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

The square root of 12516684 is about 3537.8925930559. The cubic root of 12516684 is about 232.1826494672.

It can be divided in two parts, 125166 and 84, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 12516684 in words is "twelve million, five hundred sixteen thousand, six hundred eighty-four".