13596889 has 4 divisors (see below), whose sum is σ = 14396724. Its totient is φ = 12797056.

The previous prime is 13596857. The next prime is 13596893. The reversal of 13596889 is 98869531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98869531 = 2777 ⋅35603.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 3579664 = 3165^2 + 1892^2 .

It is not a de Polignac number, because 13596889 - 2⁵ = 13596857 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13596809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399892 + ... + 399925.

It is an arithmetic number, because the mean of its divisors is an integer number (3599181).

Almost surely, 2^13596889 is an apocalyptic number.

It is an amenable number.

13596889 is a deficient number, since it is larger than the sum of its proper divisors (799835).

13596889 is an equidigital number, since it uses as much as digits as its factorization.

13596889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799834.

The product of its digits is 466560, while the sum is 49.

The square root of 13596889 is about 3687.3959646341. The cubic root of 13596889 is about 238.6784363788.

The spelling of 13596889 in words is "thirteen million, five hundred ninety-six thousand, eight hundred eighty-nine".