12683591 has 2 divisors, whose sum is σ = 12683592. Its totient is φ = 12683590.

The previous prime is 12683543. The next prime is 12683599. The reversal of 12683591 is 19538621.

It is a strong prime.

It is an emirp because it is prime and its reverse (19538621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12683591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12683599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6341795 + 6341796.

It is an arithmetic number, because the mean of its divisors is an integer number (6341796).

Almost surely, 2^12683591 is an apocalyptic number.

12683591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12683591 is an equidigital number, since it uses as much as digits as its factorization.

12683591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 12683591 is about 3561.4029538933. The cubic root of 12683591 is about 233.2101292886.

The spelling of 12683591 in words is "twelve million, six hundred eighty-three thousand, five hundred ninety-one".