12956747 has 2 divisors, whose sum is σ = 12956748. Its totient is φ = 12956746.

The previous prime is 12956731. The next prime is 12956759. The reversal of 12956747 is 74765921.

12956747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12956747 - 2⁴ = 12956731 is a prime.

It is not a weakly prime, because it can be changed into another prime (12956947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6478373 + 6478374.

It is an arithmetic number, because the mean of its divisors is an integer number (6478374).

Almost surely, 2^12956747 is an apocalyptic number.

12956747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12956747 is an equidigital number, since it uses as much as digits as its factorization.

12956747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 12956747 is about 3599.5481660897. The cubic root of 12956747 is about 234.8724039484.

The spelling of 12956747 in words is "twelve million, nine hundred fifty-six thousand, seven hundred forty-seven".