13182817 has 2 divisors, whose sum is σ = 13182818. Its totient is φ = 13182816.

The previous prime is 13182739. The next prime is 13182833. The reversal of 13182817 is 71828131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9461776 + 3721041 = 3076^2 + 1929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13182817 is a prime.

It is not a weakly prime, because it can be changed into another prime (13182847) 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, 6591408 + 6591409.

It is an arithmetic number, because the mean of its divisors is an integer number (6591409).

Almost surely, 2^13182817 is an apocalyptic number.

It is an amenable number.

13182817 is a deficient number, since it is larger than the sum of its proper divisors (1).

13182817 is an equidigital number, since it uses as much as digits as its factorization.

13182817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 31.

The square root of 13182817 is about 3630.8149223005. The cubic root of 13182817 is about 236.2305572682.

The spelling of 13182817 in words is "thirteen million, one hundred eighty-two thousand, eight hundred seventeen".