13804679 has 4 divisors (see below), whose sum is σ = 15776784. Its totient is φ = 11832576.

The previous prime is 13804673. The next prime is 13804691. The reversal of 13804679 is 97640831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97640831 = 43 ⋅2270717.

It is a de Polignac number, because none of the positive numbers 2^k-13804679 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 (13804673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986042 + ... + 986055.

It is an arithmetic number, because the mean of its divisors is an integer number (3944196).

Almost surely, 2^13804679 is an apocalyptic number.

13804679 is a deficient number, since it is larger than the sum of its proper divisors (1972105).

13804679 is an equidigital number, since it uses as much as digits as its factorization.

13804679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972104.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13804679 is about 3715.4648430580. The cubic root of 13804679 is about 239.8881365262. Note that the first 3 decimals are identical.

The spelling of 13804679 in words is "thirteen million, eight hundred four thousand, six hundred seventy-nine".