13182857 has 2 divisors, whose sum is σ = 13182858. Its totient is φ = 13182856.

The previous prime is 13182847. The next prime is 13182881. The reversal of 13182857 is 75828131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10010896 + 3171961 = 3164^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 13182857 - 2²⁰ = 12134281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13182817) 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, 6591428 + 6591429.

It is an arithmetic number, because the mean of its divisors is an integer number (6591429).

Almost surely, 2^13182857 is an apocalyptic number.

It is an amenable number.

13182857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13182857 is an equidigital number, since it uses as much as digits as its factorization.

13182857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 13182857 is about 3630.8204307016. The cubic root of 13182857 is about 236.2307961957.

The spelling of 13182857 in words is "thirteen million, one hundred eighty-two thousand, eight hundred fifty-seven".