13689001 has 8 divisors (see below), whose sum is σ = 14220360. Its totient is φ = 13166208.

The previous prime is 13688989. The next prime is 13689017. The reversal of 13689001 is 10098631.

It is a happy number.

13689001 is digitally balanced in base 3, 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 2399401 + 11289600 = 1549^2 + 3360^2 .

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 13689001 - 2¹³ = 13680809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13689031) 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, 1215 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 2^13689001 is an apocalyptic number.

It is an amenable number.

13689001 is a deficient number, since it is larger than the sum of its proper divisors (531359).

13689001 is an equidigital number, since it uses as much as digits as its factorization.

13689001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13689001 is about 3699.8649975371. The cubic root of 13689001 is about 239.2161988057.

The spelling of 13689001 in words is "thirteen million, six hundred eighty-nine thousand, one".