13684993 has 8 divisors (see below), whose sum is σ = 15702912. Its totient is φ = 11682816.

The previous prime is 13684961. The next prime is 13685003. The reversal of 13684993 is 39948631.

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 13684993 - 2⁵ = 13684961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13684093) 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, 2005 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (1962864).

Almost surely, 2^13684993 is an apocalyptic number.

It is an amenable number.

13684993 is a deficient number, since it is larger than the sum of its proper divisors (2017919).

13684993 is an equidigital number, since it uses as much as digits as its factorization.

13684993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871.

The product of its digits is 139968, while the sum is 43.

The square root of 13684993 is about 3699.3233164999. The cubic root of 13684993 is about 239.1928498383.

The spelling of 13684993 in words is "thirteen million, six hundred eighty-four thousand, nine hundred ninety-three".