12695808 has 72 divisors (see below), whose sum is σ = 34470016. Its totient is φ = 4147200.

The previous prime is 12695803. The next prime is 12695849. The reversal of 12695808 is 80859621.

It is a super-2 number, since 2×12695808² = 322367081545728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12695803) 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, 46713 + ... + 46983.

Almost surely, 2^12695808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17235008).

12695808 is an abundant number, since it is smaller than the sum of its proper divisors (21774208).

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

12695808 is an equidigital number, since it uses as much as digits as its factorization.

12695808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12695808 is about 3563.1177359161. The cubic root of 12695808 is about 233.2849822717.

The spelling of 12695808 in words is "twelve million, six hundred ninety-five thousand, eight hundred eight".