13115693 has 2 divisors, whose sum is σ = 13115694. Its totient is φ = 13115692.

The previous prime is 13115677. The next prime is 13115717. The reversal of 13115693 is 39651131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 6135529 = 2642^2 + 2477^2 .

It is a cyclic number.

It is not a de Polignac number, because 13115693 - 2⁴ = 13115677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13115293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6557846 + 6557847.

It is an arithmetic number, because the mean of its divisors is an integer number (6557847).

Almost surely, 2^13115693 is an apocalyptic number.

It is an amenable number.

13115693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13115693 is an equidigital number, since it uses as much as digits as its factorization.

13115693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 13115693 is about 3621.5594707253. The cubic root of 13115693 is about 235.8289301773.

The spelling of 13115693 in words is "thirteen million, one hundred fifteen thousand, six hundred ninety-three".