13393057 has 2 divisors, whose sum is σ = 13393058. Its totient is φ = 13393056.

The previous prime is 13393049. The next prime is 13393063. The reversal of 13393057 is 75039331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12680721 + 712336 = 3561^2 + 844^2 .

It is an emirp because it is prime and its reverse (75039331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13393057 - 2³ = 13393049 is a prime.

It is not a weakly prime, because it can be changed into another prime (13393087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6696528 + 6696529.

It is an arithmetic number, because the mean of its divisors is an integer number (6696529).

Almost surely, 2^13393057 is an apocalyptic number.

It is an amenable number.

13393057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13393057 is an equidigital number, since it uses as much as digits as its factorization.

13393057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 13393057 is about 3659.6525791392. The cubic root of 13393057 is about 237.4797441635.

The spelling of 13393057 in words is "thirteen million, three hundred ninety-three thousand, fifty-seven".