12608816 has 40 divisors (see below), whose sum is σ = 27522048. Its totient is φ = 5544000.

The previous prime is 12608803. The next prime is 12608851. The reversal of 12608816 is 61880621.

12608816 = T₈₃ + T₈₄ + ... + T₄₂₃.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301 + ... + 6611.

Almost surely, 2^12608816 is an apocalyptic number.

12608816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12608816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13761024).

12608816 is an abundant number, since it is smaller than the sum of its proper divisors (14913232).

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

12608816 is a wasteful number, since it uses less digits than its factorization.

12608816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12608816 is about 3550.8894660352. The cubic root of 12608816 is about 232.7509357598.

The spelling of 12608816 in words is "twelve million, six hundred eight thousand, eight hundred sixteen".