13188013 has 2 divisors, whose sum is σ = 13188014. Its totient is φ = 13188012.

The previous prime is 13188001. The next prime is 13188029. The reversal of 13188013 is 31088131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 2832489 = 3218^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 13188013 - 2⁵ = 13187981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13188053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594006 + 6594007.

It is an arithmetic number, because the mean of its divisors is an integer number (6594007).

Almost surely, 2^13188013 is an apocalyptic number.

It is an amenable number.

13188013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13188013 is an equidigital number, since it uses as much as digits as its factorization.

13188013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 13188013 is about 3631.5303936495. The cubic root of 13188013 is about 236.2615899057.

The spelling of 13188013 in words is "thirteen million, one hundred eighty-eight thousand, thirteen".