12896913 has 4 divisors (see below), whose sum is σ = 17195888. Its totient is φ = 8597940.

The previous prime is 12896911. The next prime is 12896921. The reversal of 12896913 is 31969821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12896913 - 2¹ = 12896911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12896911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149483 + ... + 2149488.

It is an arithmetic number, because the mean of its divisors is an integer number (4298972).

Almost surely, 2^12896913 is an apocalyptic number.

It is an amenable number.

12896913 is a deficient number, since it is larger than the sum of its proper divisors (4298975).

12896913 is an equidigital number, since it uses as much as digits as its factorization.

12896913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298974.

The product of its digits is 23328, while the sum is 39.

The square root of 12896913 is about 3591.2272275644. The cubic root of 12896913 is about 234.5103006161.

The spelling of 12896913 in words is "twelve million, eight hundred ninety-six thousand, nine hundred thirteen".