13115329 has 2 divisors, whose sum is σ = 13115330. Its totient is φ = 13115328.

The previous prime is 13115321. The next prime is 13115363. The reversal of 13115329 is 92351131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11916304 + 1199025 = 3452^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 13115329 - 2³ = 13115321 is a prime.

It is not a weakly prime, because it can be changed into another prime (13115321) 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, 6557664 + 6557665.

It is an arithmetic number, because the mean of its divisors is an integer number (6557665).

Almost surely, 2^13115329 is an apocalyptic number.

It is an amenable number.

13115329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13115329 is an equidigital number, since it uses as much as digits as its factorization.

13115329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

The square root of 13115329 is about 3621.5092157828. The cubic root of 13115329 is about 235.8267485027.

The spelling of 13115329 in words is "thirteen million, one hundred fifteen thousand, three hundred twenty-nine".