12694259 has 2 divisors, whose sum is σ = 12694260. Its totient is φ = 12694258.

The previous prime is 12694247. The next prime is 12694271. The reversal of 12694259 is 95249621.

It is a balanced prime because it is at equal distance from previous prime (12694247) and next prime (12694271).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12694259 is a prime.

It is a super-2 number, since 2×12694259² = 322288423118162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12690259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347129 + 6347130.

It is an arithmetic number, because the mean of its divisors is an integer number (6347130).

Almost surely, 2^12694259 is an apocalyptic number.

12694259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694259 is an equidigital number, since it uses as much as digits as its factorization.

12694259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 12694259 is about 3562.9003634679. The cubic root of 12694259 is about 233.2754942807.

The spelling of 12694259 in words is "twelve million, six hundred ninety-four thousand, two hundred fifty-nine".