12616648 has 32 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 5704000.

The previous prime is 12616621. The next prime is 12616649. The reversal of 12616648 is 84661621.

It is not an unprimeable number, because it can be changed into a prime (12616649) 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, 27138 + ... + 27598.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 2^12616648 is an apocalyptic number.

It is an amenable number.

12616648 is an abundant number, since it is smaller than the sum of its proper divisors (13329272).

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

12616648 is a wasteful number, since it uses less digits than its factorization.

12616648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 785 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 12616648 is about 3551.9921171084. The cubic root of 12616648 is about 232.7991170753.

The spelling of 12616648 in words is "twelve million, six hundred sixteen thousand, six hundred forty-eight".