13477679 has 4 divisors (see below), whose sum is σ = 13486200. Its totient is φ = 13469160.

The previous prime is 13477661. The next prime is 13477687. The reversal of 13477679 is 97677431.

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.

It is a cyclic number.

It is not a de Polignac number, because 13477679 - 2¹⁶ = 13412143 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 (13477699) 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, 1112 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (3371550).

Almost surely, 2^13477679 is an apocalyptic number.

13477679 is a deficient number, since it is larger than the sum of its proper divisors (8521).

13477679 is an equidigital number, since it uses as much as digits as its factorization.

13477679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its digits is 222264, while the sum is 44.

The square root of 13477679 is about 3671.1958542143. The cubic root of 13477679 is about 237.9788543697.

The spelling of 13477679 in words is "thirteen million, four hundred seventy-seven thousand, six hundred seventy-nine".