13675579 has 4 divisors (see below), whose sum is σ = 13683384. Its totient is φ = 13667776.

The previous prime is 13675561. The next prime is 13675583. The reversal of 13675579 is 97557631.

13675579 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97557631 = 6133 ⋅15907.

It is a cyclic number.

It is not a de Polignac number, because 13675579 - 2¹¹ = 13673531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13675549) 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, 84 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (3420846).

Almost surely, 2^13675579 is an apocalyptic number.

13675579 is a deficient number, since it is larger than the sum of its proper divisors (7805).

13675579 is an equidigital number, since it uses as much as digits as its factorization.

13675579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804.

The product of its digits is 198450, while the sum is 43.

The square root of 13675579 is about 3698.0507027352. The cubic root of 13675579 is about 239.1379897927.

The spelling of 13675579 in words is "thirteen million, six hundred seventy-five thousand, five hundred seventy-nine".