13917667 has 8 divisors (see below), whose sum is σ = 14551040. Its totient is φ = 13295880.

The previous prime is 13917637. The next prime is 13917703. The reversal of 13917667 is 76671931.

It is a happy number.

13917667 is digitally balanced in base 3, 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 not a de Polignac number, because 13917667 - 2⁷ = 13917539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13917637) 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, 393 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (1818880).

Almost surely, 2^13917667 is an apocalyptic number.

13917667 is a deficient number, since it is larger than the sum of its proper divisors (633373).

13917667 is an equidigital number, since it uses as much as digits as its factorization.

13917667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793.

The product of its digits is 47628, while the sum is 40.

The square root of 13917667 is about 3730.6389533162. The cubic root of 13917667 is about 240.5408347235.

The spelling of 13917667 in words is "thirteen million, nine hundred seventeen thousand, six hundred sixty-seven".