13168287 has 12 divisors (see below), whose sum is σ = 20750184. Its totient is φ = 7980720.

The previous prime is 13168271. The next prime is 13168297. The reversal of 13168287 is 78286131.

It is not a de Polignac number, because 13168287 - 2⁴ = 13168271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66408 + ... + 66605.

It is an arithmetic number, because the mean of its divisors is an integer number (1729182).

Almost surely, 2^13168287 is an apocalyptic number.

13168287 is a deficient number, since it is larger than the sum of its proper divisors (7581897).

13168287 is a wasteful number, since it uses less digits than its factorization.

13168287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133030 (or 133027 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 13168287 is about 3628.8134424354. The cubic root of 13168287 is about 236.1437348580.

It can be divided in two parts, 131682 and 87, that added together give a square (131769 = 363²).

The spelling of 13168287 in words is "thirteen million, one hundred sixty-eight thousand, two hundred eighty-seven".