12896137 has 4 divisors (see below), whose sum is σ = 12978436. Its totient is φ = 12813840.

The previous prime is 12896111. The next prime is 12896141. The reversal of 12896137 is 73169821.

12896137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 10634121 = 1504^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 12896137 - 2¹⁵ = 12863369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12896096 and 12896105.

It is not an unprimeable number, because it can be changed into a prime (12816137) 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 3 ways as a sum of consecutive naturals, for example, 40914 + ... + 41227.

It is an arithmetic number, because the mean of its divisors is an integer number (3244609).

Almost surely, 2^12896137 is an apocalyptic number.

It is an amenable number.

12896137 is a deficient number, since it is larger than the sum of its proper divisors (82299).

12896137 is an equidigital number, since it uses as much as digits as its factorization.

12896137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82298.

The product of its digits is 18144, while the sum is 37.

The square root of 12896137 is about 3591.1191848782. The cubic root of 12896137 is about 234.5055970708.

The spelling of 12896137 in words is "twelve million, eight hundred ninety-six thousand, one hundred thirty-seven".