13984967 has 4 divisors (see below), whose sum is σ = 14040936. Its totient is φ = 13929000.

The previous prime is 13984961. The next prime is 13984979. The reversal of 13984967 is 76948931.

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 13984967 - 2⁶ = 13984903 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 (13984961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27608 + ... + 28109.

It is an arithmetic number, because the mean of its divisors is an integer number (3510234).

Almost surely, 2^13984967 is an apocalyptic number.

13984967 is a deficient number, since it is larger than the sum of its proper divisors (55969).

13984967 is an equidigital number, since it uses as much as digits as its factorization.

13984967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55968.

The product of its digits is 326592, while the sum is 47.

The square root of 13984967 is about 3739.6479780856. The cubic root of 13984967 is about 240.9279296443.

The spelling of 13984967 in words is "thirteen million, nine hundred eighty-four thousand, nine hundred sixty-seven".