13684967 has 4 divisors (see below), whose sum is σ = 13783560. Its totient is φ = 13586376.

The previous prime is 13684961. The next prime is 13685003. The reversal of 13684967 is 76948631.

13684967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76948631 = 4561 ⋅16871.

It is a cyclic number.

It is not a de Polignac number, because 13684967 - 2¹² = 13680871 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 (13684961) 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, 49088 + ... + 49365.

It is an arithmetic number, because the mean of its divisors is an integer number (3445890).

Almost surely, 2^13684967 is an apocalyptic number.

13684967 is a deficient number, since it is larger than the sum of its proper divisors (98593).

13684967 is an equidigital number, since it uses as much as digits as its factorization.

13684967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98592.

The product of its digits is 217728, while the sum is 44.

The square root of 13684967 is about 3699.3198023420. The cubic root of 13684967 is about 239.1926983580.

The spelling of 13684967 in words is "thirteen million, six hundred eighty-four thousand, nine hundred sixty-seven".