12894689 has 2 divisors, whose sum is σ = 12894690. Its totient is φ = 12894688.

The previous prime is 12894671. The next prime is 12894701. The reversal of 12894689 is 98649821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 4133089 = 2960^2 + 2033^2 .

It is a cyclic number.

It is not a de Polignac number, because 12894689 - 2⁸ = 12894433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12893689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447344 + 6447345.

It is an arithmetic number, because the mean of its divisors is an integer number (6447345).

Almost surely, 2^12894689 is an apocalyptic number.

It is an amenable number.

12894689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894689 is an equidigital number, since it uses as much as digits as its factorization.

12894689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 12894689 is about 3590.9175707610. The cubic root of 12894689 is about 234.4968198477.

The spelling of 12894689 in words is "twelve million, eight hundred ninety-four thousand, six hundred eighty-nine".