12695289 has 4 divisors (see below), whose sum is σ = 16927056. Its totient is φ = 8463524.

The previous prime is 12695269. The next prime is 12695321. The reversal of 12695289 is 98259621.

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 a cyclic number.

It is not a de Polignac number, because 12695289 - 2⁹ = 12694777 is a prime.

It is a super-2 number, since 2×12695289² = 322340725587042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12695289.

It is not an unprimeable number, because it can be changed into a prime (12695219) 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, 2115879 + ... + 2115884.

It is an arithmetic number, because the mean of its divisors is an integer number (4231764).

Almost surely, 2^12695289 is an apocalyptic number.

It is an amenable number.

12695289 is a deficient number, since it is larger than the sum of its proper divisors (4231767).

12695289 is an equidigital number, since it uses as much as digits as its factorization.

12695289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231766.

The product of its digits is 77760, while the sum is 42.

The square root of 12695289 is about 3563.0449056951. The cubic root of 12695289 is about 233.2818033600.

The spelling of 12695289 in words is "twelve million, six hundred ninety-five thousand, two hundred eighty-nine".