13345779 has 8 divisors (see below), whose sum is σ = 18368512. Its totient is φ = 8610120.

The previous prime is 13345769. The next prime is 13345793. The reversal of 13345779 is 97754331.

It is a happy number.

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

It is not a de Polignac number, because 13345779 - 2⁵ = 13345747 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 (13345769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71659 + ... + 71844.

It is an arithmetic number, because the mean of its divisors is an integer number (2296064).

Almost surely, 2^13345779 is an apocalyptic number.

13345779 is a deficient number, since it is larger than the sum of its proper divisors (5022733).

13345779 is a wasteful number, since it uses less digits than its factorization.

13345779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143537.

The product of its digits is 79380, while the sum is 39.

The square root of 13345779 is about 3653.1875122966. The cubic root of 13345779 is about 237.1999772026.

The spelling of 13345779 in words is "thirteen million, three hundred forty-five thousand, seven hundred seventy-nine".