13169859 has 16 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 8598848.

The previous prime is 13169851. The next prime is 13169873. The reversal of 13169859 is 95896131.

13169859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13169859 - 2³ = 13169851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13169859.

It is not an unprimeable number, because it can be changed into a prime (13169851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56407 + ... + 56639.

It is an arithmetic number, because the mean of its divisors is an integer number (1120392).

Almost surely, 2^13169859 is an apocalyptic number.

13169859 is a deficient number, since it is larger than the sum of its proper divisors (4756413).

13169859 is a wasteful number, since it uses less digits than its factorization.

13169859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 58320, while the sum is 42.

The square root of 13169859 is about 3629.0300356982. The cubic root of 13169859 is about 236.1531312505.

It can be divided in two parts, 13169 and 859, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13169859 in words is "thirteen million, one hundred sixty-nine thousand, eight hundred fifty-nine".