12896437 has 8 divisors (see below), whose sum is σ = 13358520. Its totient is φ = 12442560.

The previous prime is 12896419. The next prime is 12896447. The reversal of 12896437 is 73469821.

It can be written as a sum of positive squares in 4 ways, for example, as 463761 + 12432676 = 681^2 + 3526^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12896437 - 2⁷ = 12896309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12896437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^12896437 is an apocalyptic number.

It is an amenable number.

12896437 is a deficient number, since it is larger than the sum of its proper divisors (462083).

12896437 is an equidigital number, since it uses as much as digits as its factorization.

12896437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its digits is 72576, while the sum is 40.

The square root of 12896437 is about 3591.1609543433. The cubic root of 12896437 is about 234.5074154740.

The spelling of 12896437 in words is "twelve million, eight hundred ninety-six thousand, four hundred thirty-seven".