12836961 has 14 divisors (see below), whose sum is σ = 19247730. Its totient is φ = 8557488.

The previous prime is 12836953. The next prime is 12836987. The reversal of 12836961 is 16963821.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 893025 = 3456^2 + 945^2 .

It is not a de Polignac number, because 12836961 - 2³ = 12836953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12836911) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8076 + ... + 9533.

Almost surely, 2^12836961 is an apocalyptic number.

It is an amenable number.

12836961 is a deficient number, since it is larger than the sum of its proper divisors (6410769).

12836961 is an frugal number, since it uses more digits than its factorization.

12836961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627 (or 17612 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12836961 is about 3582.8704972410. The cubic root of 12836961 is about 234.1463581436.

The spelling of 12836961 in words is "twelve million, eight hundred thirty-six thousand, nine hundred sixty-one".