13916687 has 8 divisors (see below), whose sum is σ = 14330736. Its totient is φ = 13508352.

The previous prime is 13916677. The next prime is 13916711. The reversal of 13916687 is 78661931.

13916687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13916687 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 (13916627) 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, 3788 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (1791342).

Almost surely, 2^13916687 is an apocalyptic number.

13916687 is a deficient number, since it is larger than the sum of its proper divisors (414049).

13916687 is an equidigital number, since it uses as much as digits as its factorization.

13916687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857.

The product of its digits is 54432, while the sum is 41.

The square root of 13916687 is about 3730.5076062113. The cubic root of 13916687 is about 240.5351887688.

The spelling of 13916687 in words is "thirteen million, nine hundred sixteen thousand, six hundred eighty-seven".