13995757 has 2 divisors, whose sum is σ = 13995758. Its totient is φ = 13995756.

The previous prime is 13995727. The next prime is 13995791. The reversal of 13995757 is 75759931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13995081 + 676 = 3741^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 13995757 - 2⁷ = 13995629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13995727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997878 + 6997879.

It is an arithmetic number, because the mean of its divisors is an integer number (6997879).

Almost surely, 2^13995757 is an apocalyptic number.

It is an amenable number.

13995757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13995757 is an equidigital number, since it uses as much as digits as its factorization.

13995757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 297675, while the sum is 46.

The square root of 13995757 is about 3741.0903490827. The cubic root of 13995757 is about 240.9898757821.

The spelling of 13995757 in words is "thirteen million, nine hundred ninety-five thousand, seven hundred fifty-seven".