13359779 has 4 divisors (see below), whose sum is σ = 13402776. Its totient is φ = 13316784.

The previous prime is 13359767. The next prime is 13359823. The reversal of 13359779 is 97795331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13359779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13359179) 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, 21029 + ... + 21654.

It is an arithmetic number, because the mean of its divisors is an integer number (3350694).

Almost surely, 2^13359779 is an apocalyptic number.

13359779 is a deficient number, since it is larger than the sum of its proper divisors (42997).

13359779 is an equidigital number, since it uses as much as digits as its factorization.

13359779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42996.

The product of its digits is 178605, while the sum is 44.

The square root of 13359779 is about 3655.1031449194. The cubic root of 13359779 is about 237.2828907881.

The spelling of 13359779 in words is "thirteen million, three hundred fifty-nine thousand, seven hundred seventy-nine".