13814687 has 4 divisors (see below), whose sum is σ = 13828680. Its totient is φ = 13800696.

The previous prime is 13814681. The next prime is 13814707. The reversal of 13814687 is 78641831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13814687 - 2¹⁴ = 13798303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13814687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13814681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5393 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (3457170).

Almost surely, 2^13814687 is an apocalyptic number.

13814687 is a deficient number, since it is larger than the sum of its proper divisors (13993).

13814687 is a wasteful number, since it uses less digits than its factorization.

13814687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992.

The product of its digits is 32256, while the sum is 38.

The square root of 13814687 is about 3716.8114022640. The cubic root of 13814687 is about 239.9460932169.

The spelling of 13814687 in words is "thirteen million, eight hundred fourteen thousand, six hundred eighty-seven".