13289633 has 6 divisors (see below), whose sum is σ = 15459426. Its totient is φ = 11391072.

The previous prime is 13289609. The next prime is 13289641. The reversal of 13289633 is 33698231.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 5798464 = 2737^2 + 2408^2 .

It is not a de Polignac number, because 13289633 - 2¹⁰ = 13288609 is a prime.

It is a super-2 number, since 2×13289633² = 353228690549378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13289593 and 13289602.

It is not an unprimeable number, because it can be changed into a prime (13289663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135560 + ... + 135657.

It is an arithmetic number, because the mean of its divisors is an integer number (2576571).

Almost surely, 2^13289633 is an apocalyptic number.

It is an amenable number.

13289633 is a deficient number, since it is larger than the sum of its proper divisors (2169793).

13289633 is an equidigital number, since it uses as much as digits as its factorization.

13289633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271231 (or 271224 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 13289633 is about 3645.4948909579. The cubic root of 13289633 is about 236.8668743833.

The spelling of 13289633 in words is "thirteen million, two hundred eighty-nine thousand, six hundred thirty-three".