13809601 has 8 divisors (see below), whose sum is σ = 15352064. Its totient is φ = 12335760.

The previous prime is 13809589. The next prime is 13809611. The reversal of 13809601 is 10690831.

It is a happy number.

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 13809601 - 2⁵ = 13809569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13809601.

It is not an unprimeable number, because it can be changed into a prime (13809611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16731 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (1919008).

Almost surely, 2^13809601 is an apocalyptic number.

It is an amenable number.

13809601 is a deficient number, since it is larger than the sum of its proper divisors (1542463).

13809601 is a wasteful number, since it uses less digits than its factorization.

13809601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34311.

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

The square root of 13809601 is about 3716.1271506772. The cubic root of 13809601 is about 239.9166435058.

The spelling of 13809601 in words is "thirteen million, eight hundred nine thousand, six hundred one".