13417679 has 4 divisors (see below), whose sum is σ = 14637480. Its totient is φ = 12197880.

The previous prime is 13417673. The next prime is 13417681. The reversal of 13417679 is 97671431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13417679 - 2²⁰ = 12369103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13417673) 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, 609884 + ... + 609905.

It is an arithmetic number, because the mean of its divisors is an integer number (3659370).

Almost surely, 2^13417679 is an apocalyptic number.

13417679 is a deficient number, since it is larger than the sum of its proper divisors (1219801).

13417679 is a wasteful number, since it uses less digits than its factorization.

13417679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219800.

The product of its digits is 31752, while the sum is 38.

The square root of 13417679 is about 3663.0150149842. The cubic root of 13417679 is about 237.6251838667.

The spelling of 13417679 in words is "thirteen million, four hundred seventeen thousand, six hundred seventy-nine".