13038757 has 2 divisors, whose sum is σ = 13038758. Its totient is φ = 13038756.

The previous prime is 13038743. The next prime is 13038799. The reversal of 13038757 is 75783031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 690561 = 3514^2 + 831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13038757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13038257) 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, 6519378 + 6519379.

It is an arithmetic number, because the mean of its divisors is an integer number (6519379).

Almost surely, 2^13038757 is an apocalyptic number.

It is an amenable number.

13038757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13038757 is an equidigital number, since it uses as much as digits as its factorization.

13038757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 13038757 is about 3610.9219044449. The cubic root of 13038757 is about 235.3669053498.

The spelling of 13038757 in words is "thirteen million, thirty-eight thousand, seven hundred fifty-seven".