13387193 has 2 divisors, whose sum is σ = 13387194. Its totient is φ = 13387192.

The previous prime is 13387181. The next prime is 13387201. The reversal of 13387193 is 39178331.

13387193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 692224 = 3563^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 13387193 - 2⁸ = 13386937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13387123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693596 + 6693597.

It is an arithmetic number, because the mean of its divisors is an integer number (6693597).

Almost surely, 2^13387193 is an apocalyptic number.

It is an amenable number.

13387193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13387193 is an equidigital number, since it uses as much as digits as its factorization.

13387193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 13387193 is about 3658.8513224781. The cubic root of 13387193 is about 237.4450798219.

The spelling of 13387193 in words is "thirteen million, three hundred eighty-seven thousand, one hundred ninety-three".