13289401 has 8 divisors (see below), whose sum is σ = 13726664. Its totient is φ = 12856320.

The previous prime is 13289387. The next prime is 13289447. The reversal of 13289401 is 10498231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156025 + 13133376 = 395^2 + 3624^2 .

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 13289401 - 2⁹ = 13288889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13289401.

It is not an unprimeable number, because it can be changed into a prime (13289501) 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, 6211 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (1715833).

Almost surely, 2^13289401 is an apocalyptic number.

It is an amenable number.

13289401 is a deficient number, since it is larger than the sum of its proper divisors (437263).

13289401 is a wasteful number, since it uses less digits than its factorization.

13289401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13289401 is about 3645.4630707223. The cubic root of 13289401 is about 236.8654960299.

The spelling of 13289401 in words is "thirteen million, two hundred eighty-nine thousand, four hundred one".