13456679 has 4 divisors (see below), whose sum is σ = 14041776. Its totient is φ = 12871584.

The previous prime is 13456657. The next prime is 13456687. The reversal of 13456679 is 97665431.

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 13456679 - 2²⁰ = 12408103 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292514 + ... + 292559.

It is an arithmetic number, because the mean of its divisors is an integer number (3510444).

Almost surely, 2^13456679 is an apocalyptic number.

13456679 is a deficient number, since it is larger than the sum of its proper divisors (585097).

13456679 is an equidigital number, since it uses as much as digits as its factorization.

13456679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585096.

The product of its digits is 136080, while the sum is 41.

The square root of 13456679 is about 3668.3346357714. The cubic root of 13456679 is about 237.8551893131.

The spelling of 13456679 in words is "thirteen million, four hundred fifty-six thousand, six hundred seventy-nine".