12695489 has 2 divisors, whose sum is σ = 12695490. Its totient is φ = 12695488.

The previous prime is 12695483. The next prime is 12695497. The reversal of 12695489 is 98459621.

12695489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 2455489 = 3200^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 12695489 - 2⁸ = 12695233 is a prime.

It is a super-2 number, since 2×12695489² = 322350881898242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12695483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347744 + 6347745.

It is an arithmetic number, because the mean of its divisors is an integer number (6347745).

Almost surely, 2^12695489 is an apocalyptic number.

It is an amenable number.

12695489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12695489 is an equidigital number, since it uses as much as digits as its factorization.

12695489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 12695489 is about 3563.0729714672. The cubic root of 12695489 is about 233.2830283844.

The spelling of 12695489 in words is "twelve million, six hundred ninety-five thousand, four hundred eighty-nine".