12896564 has 12 divisors (see below), whose sum is σ = 22611204. Its totient is φ = 6436224.

The previous prime is 12896519. The next prime is 12896579. The reversal of 12896564 is 46569821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 5290000 = 2758^2 + 2300^2 .

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, 347 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1884267).

Almost surely, 2^12896564 is an apocalyptic number.

It is an amenable number.

12896564 is a deficient number, since it is larger than the sum of its proper divisors (9714640).

12896564 is a wasteful number, since it uses less digits than its factorization.

12896564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034 (or 6032 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 12896564 is about 3591.1786366039. The cubic root of 12896564 is about 234.5081852563.

The spelling of 12896564 in words is "twelve million, eight hundred ninety-six thousand, five hundred sixty-four".