12896436 has 24 divisors (see below), whose sum is σ = 34390720. Its totient is φ = 3684672.

The previous prime is 12896419. The next prime is 12896447. The reversal of 12896436 is 63469821.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12896394 and 12896403.

It is a congruent number.

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, 76681 + ... + 76848.

Almost surely, 2^12896436 is an apocalyptic number.

It is an amenable number.

12896436 is an abundant number, since it is smaller than the sum of its proper divisors (21494284).

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

12896436 is a wasteful number, since it uses less digits than its factorization.

12896436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153543 (or 153541 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 12896436 is about 3591.1608151126. The cubic root of 12896436 is about 234.5074094127.

The spelling of 12896436 in words is "twelve million, eight hundred ninety-six thousand, four hundred thirty-six".