13265320 has 32 divisors (see below), whose sum is σ = 29950920. Its totient is φ = 5287680.

The previous prime is 13265293. The next prime is 13265333. The reversal of 13265320 is 2356231.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 7873636 = 2322^2 + 2806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13265291 and 13265300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21334 + ... + 21946.

Almost surely, 2^13265320 is an apocalyptic number.

13265320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13265320 is an abundant number, since it is smaller than the sum of its proper divisors (16685600).

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

13265320 is a wasteful number, since it uses less digits than its factorization.

13265320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13265320 is about 3642.1587005511. The cubic root of 13265320 is about 236.7223391698.

The spelling of 13265320 in words is "thirteen million, two hundred sixty-five thousand, three hundred twenty".