13285157 has 2 divisors, whose sum is σ = 13285158. Its totient is φ = 13285156.

The previous prime is 13285147. The next prime is 13285159. The reversal of 13285157 is 75158231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 3556996 = 3119^2 + 1886^2 .

It is an emirp because it is prime and its reverse (75158231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13285157 - 2⁶ = 13285093 is a prime.

Together with 13285159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13285159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642578 + 6642579.

It is an arithmetic number, because the mean of its divisors is an integer number (6642579).

Almost surely, 2^13285157 is an apocalyptic number.

It is an amenable number.

13285157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13285157 is an equidigital number, since it uses as much as digits as its factorization.

13285157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 13285157 is about 3644.8809308399. The cubic root of 13285157 is about 236.8402788363.

The spelling of 13285157 in words is "thirteen million, two hundred eighty-five thousand, one hundred fifty-seven".