13740757 has 2 divisors, whose sum is σ = 13740758. Its totient is φ = 13740756.

The previous prime is 13740739. The next prime is 13740761. The reversal of 13740757 is 75704731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 498436 = 3639^2 + 706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13740757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13740787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6870378 + 6870379.

It is an arithmetic number, because the mean of its divisors is an integer number (6870379).

Almost surely, 2^13740757 is an apocalyptic number.

It is an amenable number.

13740757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13740757 is an equidigital number, since it uses as much as digits as its factorization.

13740757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13740757 is about 3706.8527081609. The cubic root of 13740757 is about 239.5172994944.

The spelling of 13740757 in words is "thirteen million, seven hundred forty thousand, seven hundred fifty-seven".