13979683 has 4 divisors (see below), whose sum is σ = 13989528. Its totient is φ = 13969840.

The previous prime is 13979681. The next prime is 13979689. The reversal of 13979683 is 38697931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38697931 = 479 ⋅80789.

It is a cyclic number.

It is not a de Polignac number, because 13979683 - 2¹ = 13979681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13979681) 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, 2341 + ... + 5782.

It is an arithmetic number, because the mean of its divisors is an integer number (3497382).

Almost surely, 2^13979683 is an apocalyptic number.

13979683 is a deficient number, since it is larger than the sum of its proper divisors (9845).

13979683 is an equidigital number, since it uses as much as digits as its factorization.

13979683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844.

The product of its digits is 244944, while the sum is 46.

The square root of 13979683 is about 3738.9414277306. The cubic root of 13979683 is about 240.8975822113.

The spelling of 13979683 in words is "thirteen million, nine hundred seventy-nine thousand, six hundred eighty-three".