13311287 has 8 divisors (see below), whose sum is σ = 14651280. Its totient is φ = 11992960.

The previous prime is 13311281. The next prime is 13311301. The reversal of 13311287 is 78211331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311287 - 2⁴ = 13311271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4112 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (1831410).

Almost surely, 2^13311287 is an apocalyptic number.

13311287 is a deficient number, since it is larger than the sum of its proper divisors (1339993).

13311287 is a wasteful number, since it uses less digits than its factorization.

13311287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833.

The product of its digits is 1008, while the sum is 26.

The square root of 13311287 is about 3648.4636492639. The cubic root of 13311287 is about 236.9954541076.

The spelling of 13311287 in words is "thirteen million, three hundred eleven thousand, two hundred eighty-seven".