13006287 has 24 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 7399440.

The previous prime is 13006283. The next prime is 13006289. The reversal of 13006287 is 78260031.

13006287 is a `hidden beast` number, since 1 + 30 + 0 + 628 + 7 = 666.

It is not a de Polignac number, because 13006287 - 2² = 13006283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13006287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26914 + ... + 27392.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 2^13006287 is an apocalyptic number.

13006287 is a deficient number, since it is larger than the sum of its proper divisors (8559153).

13006287 is a wasteful number, since it uses less digits than its factorization.

13006287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13006287 is about 3606.4230201129. The cubic root of 13006287 is about 235.1713673843.

The spelling of 13006287 in words is "thirteen million, six thousand, two hundred eighty-seven".