13265536 has 32 divisors (see below), whose sum is σ = 27151380. Its totient is φ = 6451200.

The previous prime is 13265533. The next prime is 13265561. The reversal of 13265536 is 63556231.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 705600 = 3544^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13265498 and 13265507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265533) 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, 3336 + ... + 6136.

Almost surely, 2^13265536 is an apocalyptic number.

13265536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13265536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13575690).

13265536 is an abundant number, since it is smaller than the sum of its proper divisors (13885844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13265536 is an equidigital number, since it uses as much as digits as its factorization.

13265536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852 (or 2840 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 13265536 is about 3642.1883531745. The cubic root of 13265536 is about 236.7236240175.

The spelling of 13265536 in words is "thirteen million, two hundred sixty-five thousand, five hundred thirty-six".