12607816 has 16 divisors (see below), whose sum is σ = 25458300. Its totient is φ = 5818944.

The previous prime is 12607813. The next prime is 12607817. The reversal of 12607816 is 61870621.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 427716 = 3490^2 + 654^2 .

It is not an unprimeable number, because it can be changed into a prime (12607813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60511 + ... + 60718.

Almost surely, 2^12607816 is an apocalyptic number.

It is an amenable number.

12607816 is an abundant number, since it is smaller than the sum of its proper divisors (12850484).

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

12607816 is a wasteful number, since it uses less digits than its factorization.

12607816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121248 (or 121244 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12607816 is about 3550.7486534532. The cubic root of 12607816 is about 232.7447824702.

The spelling of 12607816 in words is "twelve million, six hundred seven thousand, eight hundred sixteen".