12895513 has 2 divisors, whose sum is σ = 12895514. Its totient is φ = 12895512.

The previous prime is 12895511. The next prime is 12895529. The reversal of 12895513 is 31559821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 4210704 = 2947^2 + 2052^2 .

It is an emirp because it is prime and its reverse (31559821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12895513 - 2¹ = 12895511 is a prime.

It is a super-3 number, since 3×12895513³ (a number of 22 digits) contains 333 as substring.

Together with 12895511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12895511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447756 + 6447757.

It is an arithmetic number, because the mean of its divisors is an integer number (6447757).

Almost surely, 2^12895513 is an apocalyptic number.

It is an amenable number.

12895513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12895513 is an equidigital number, since it uses as much as digits as its factorization.

12895513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 12895513 is about 3591.0323028344. The cubic root of 12895513 is about 234.5018147016.

The spelling of 12895513 in words is "twelve million, eight hundred ninety-five thousand, five hundred thirteen".