13198705 has 8 divisors (see below), whose sum is σ = 17056872. Its totient is φ = 9746688.

The previous prime is 13198699. The next prime is 13198723. The reversal of 13198705 is 50789131.

It is a happy number.

13198705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 13198689 = 4^2 + 3633^2 .

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 13198705 - 2³ = 13198697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101464 + ... + 101593.

It is an arithmetic number, because the mean of its divisors is an integer number (2132109).

Almost surely, 2^13198705 is an apocalyptic number.

It is an amenable number.

13198705 is a deficient number, since it is larger than the sum of its proper divisors (3858167).

13198705 is a wasteful number, since it uses less digits than its factorization.

13198705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203075.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13198705 is about 3633.0022020362. The cubic root of 13198705 is about 236.3254212693.

The spelling of 13198705 in words is "thirteen million, one hundred ninety-eight thousand, seven hundred five".