13828057 has 2 divisors, whose sum is σ = 13828058. Its totient is φ = 13828056.

The previous prime is 13828043. The next prime is 13828079. The reversal of 13828057 is 75082831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 2944656 = 3299^2 + 1716^2 .

It is an emirp because it is prime and its reverse (75082831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13828057 is a prime.

It is not a weakly prime, because it can be changed into another prime (13888057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914028 + 6914029.

It is an arithmetic number, because the mean of its divisors is an integer number (6914029).

Almost surely, 2^13828057 is an apocalyptic number.

It is an amenable number.

13828057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13828057 is an equidigital number, since it uses as much as digits as its factorization.

13828057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 13828057 is about 3718.6095519697. The cubic root of 13828057 is about 240.0234757129.

The spelling of 13828057 in words is "thirteen million, eight hundred twenty-eight thousand, fifty-seven".