13265633 has 4 divisors (see below), whose sum is σ = 13447428. Its totient is φ = 13083840.

The previous prime is 13265621. The next prime is 13265639. The reversal of 13265633 is 33656231.

It is a happy number.

13265633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33656231 = 7 ⋅4808033.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 8720209 = 2132^2 + 2953^2 .

It is a cyclic number.

It is not a de Polignac number, because 13265633 - 2⁴ = 13265617 is a prime.

It is a super-3 number, since 3×13265633³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13265596 and 13265605.

It is not an unprimeable number, because it can be changed into a prime (13265639) 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, 90788 + ... + 90933.

It is an arithmetic number, because the mean of its divisors is an integer number (3361857).

Almost surely, 2^13265633 is an apocalyptic number.

It is an amenable number.

13265633 is a deficient number, since it is larger than the sum of its proper divisors (181795).

13265633 is an equidigital number, since it uses as much as digits as its factorization.

13265633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181794.

The product of its digits is 9720, while the sum is 29.

The square root of 13265633 is about 3642.2016693204. The cubic root of 13265633 is about 236.7242010047.

The spelling of 13265633 in words is "thirteen million, two hundred sixty-five thousand, six hundred thirty-three".