12997696 has 28 divisors (see below), whose sum is σ = 26397712. Its totient is φ = 6346368.

The previous prime is 12997681. The next prime is 12997763. The reversal of 12997696 is 69679921.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 5113.

Almost surely, 2^12997696 is an apocalyptic number.

12997696 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 12997696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13198856).

12997696 is an abundant number, since it is smaller than the sum of its proper divisors (13400016).

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

12997696 is an equidigital number, since it uses as much as digits as its factorization.

12997696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778 (or 4768 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 12997696 is about 3605.2317539931. The cubic root of 12997696 is about 235.1195769895.

The spelling of 12997696 in words is "twelve million, nine hundred ninety-seven thousand, six hundred ninety-six".