13727957 has 2 divisors, whose sum is σ = 13727958. Its totient is φ = 13727956.

The previous prime is 13727953. The next prime is 13727963. The reversal of 13727957 is 75972731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 2910436 = 3289^2 + 1706^2 .

It is an emirp because it is prime and its reverse (75972731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13727957 - 2² = 13727953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13727953) 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, 6863978 + 6863979.

It is an arithmetic number, because the mean of its divisors is an integer number (6863979).

Almost surely, 2^13727957 is an apocalyptic number.

It is an amenable number.

13727957 is a deficient number, since it is larger than the sum of its proper divisors (1).

13727957 is an equidigital number, since it uses as much as digits as its factorization.

13727957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 13727957 is about 3705.1257738436. The cubic root of 13727957 is about 239.4429034501.

The spelling of 13727957 in words is "thirteen million, seven hundred twenty-seven thousand, nine hundred fifty-seven".