13355779 has 8 divisors (see below), whose sum is σ = 13885200. Its totient is φ = 12835296.

The previous prime is 13355759. The next prime is 13355789. The reversal of 13355779 is 97755331.

13355779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13355779 - 2⁹ = 13355267 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13355759) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1735650).

Almost surely, 2^13355779 is an apocalyptic number.

13355779 is a deficient number, since it is larger than the sum of its proper divisors (529421).

13355779 is an equidigital number, since it uses as much as digits as its factorization.

13355779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469.

The product of its digits is 99225, while the sum is 40.

The square root of 13355779 is about 3654.5559237751. Note that the first 3 decimals coincide. The cubic root of 13355779 is about 237.2592071053.

The spelling of 13355779 in words is "thirteen million, three hundred fifty-five thousand, seven hundred seventy-nine".