12740747 has 2 divisors, whose sum is σ = 12740748. Its totient is φ = 12740746.

The previous prime is 12740719. The next prime is 12740789. The reversal of 12740747 is 74704721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12740747 - 2¹² = 12736651 is a prime.

It is not a weakly prime, because it can be changed into another prime (12740797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370373 + 6370374.

It is an arithmetic number, because the mean of its divisors is an integer number (6370374).

Almost surely, 2^12740747 is an apocalyptic number.

12740747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12740747 is an equidigital number, since it uses as much as digits as its factorization.

12740747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 12740747 is about 3569.4182999475. The cubic root of 12740747 is about 233.5599089401.

The spelling of 12740747 in words is "twelve million, seven hundred forty thousand, seven hundred forty-seven".