12740953 has 2 divisors, whose sum is σ = 12740954. Its totient is φ = 12740952.

The previous prime is 12740933. The next prime is 12740957. The reversal of 12740953 is 35904721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 5702544 = 2653^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 12740953 - 2¹⁷ = 12609881 is a prime.

It is not a weakly prime, because it can be changed into another prime (12740957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370476 + 6370477.

It is an arithmetic number, because the mean of its divisors is an integer number (6370477).

Almost surely, 2^12740953 is an apocalyptic number.

It is an amenable number.

12740953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12740953 is an equidigital number, since it uses as much as digits as its factorization.

12740953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12740953 is about 3569.4471560733. The cubic root of 12740953 is about 233.5611677120.

The spelling of 12740953 in words is "twelve million, seven hundred forty thousand, nine hundred fifty-three".