12746939 has 2 divisors, whose sum is σ = 12746940. Its totient is φ = 12746938.

The previous prime is 12746911. The next prime is 12746953. The reversal of 12746939 is 93964721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12746939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12746896 and 12746905.

It is not a weakly prime, because it can be changed into another prime (12746959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373469 + 6373470.

It is an arithmetic number, because the mean of its divisors is an integer number (6373470).

Almost surely, 2^12746939 is an apocalyptic number.

12746939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12746939 is an equidigital number, since it uses as much as digits as its factorization.

12746939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 12746939 is about 3570.2855628087. The cubic root of 12746939 is about 233.5977394989.

The spelling of 12746939 in words is "twelve million, seven hundred forty-six thousand, nine hundred thirty-nine".