12896736 has 24 divisors (see below), whose sum is σ = 33854184. Its totient is φ = 4298880.

The previous prime is 12896729. The next prime is 12896743. The reversal of 12896736 is 63769821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12896729) and next prime (12896743).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 67075 + ... + 67266.

It is an arithmetic number, because the mean of its divisors is an integer number (1410591).

Almost surely, 2^12896736 is an apocalyptic number.

12896736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12896736 is an abundant number, since it is smaller than the sum of its proper divisors (20957448).

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

12896736 is a wasteful number, since it uses less digits than its factorization.

12896736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134354 (or 134346 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12896736 is about 3591.2025840935. The cubic root of 12896736 is about 234.5092277879.

The spelling of 12896736 in words is "twelve million, eight hundred ninety-six thousand, seven hundred thirty-six".