13704779 has 8 divisors (see below), whose sum is σ = 14999088. Its totient is φ = 12418560.

The previous prime is 13704773. The next prime is 13704781. The reversal of 13704779 is 97740731.

13704779 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 not a de Polignac number, because 13704779 - 2¹⁶ = 13639243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13704773) 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, 1859 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (1874886).

Almost surely, 2^13704779 is an apocalyptic number.

13704779 is a deficient number, since it is larger than the sum of its proper divisors (1294309).

13704779 is a wasteful number, since it uses less digits than its factorization.

13704779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 13704779 is about 3701.9966234452. The cubic root of 13704779 is about 239.3080707156.

The spelling of 13704779 in words is "thirteen million, seven hundred four thousand, seven hundred seventy-nine".