13678359 has 4 divisors (see below), whose sum is σ = 18237816. Its totient is φ = 9118904.

The previous prime is 13678333. The next prime is 13678361. The reversal of 13678359 is 95387631.

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 13678359 - 2²³ = 5289751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13678359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13678759) 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, 2279724 + ... + 2279729.

It is an arithmetic number, because the mean of its divisors is an integer number (4559454).

Almost surely, 2^13678359 is an apocalyptic number.

13678359 is a deficient number, since it is larger than the sum of its proper divisors (4559457).

13678359 is an equidigital number, since it uses as much as digits as its factorization.

13678359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559456.

The product of its digits is 136080, while the sum is 42.

The square root of 13678359 is about 3698.4265573349. The cubic root of 13678359 is about 239.1541928500.

The spelling of 13678359 in words is "thirteen million, six hundred seventy-eight thousand, three hundred fifty-nine".