13248765 has 20 divisors (see below), whose sum is σ = 23750364. Its totient is φ = 7065792.

The previous prime is 13248751. The next prime is 13248779. The reversal of 13248765 is 56784231.

It is an interprime number because it is at equal distance from previous prime (13248751) and next prime (13248779).

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 7387524 = 2421^2 + 2718^2 .

It is not a de Polignac number, because 13248765 - 2⁵ = 13248733 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15952 + ... + 16761.

Almost surely, 2^13248765 is an apocalyptic number.

13248765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13248765 is a deficient number, since it is larger than the sum of its proper divisors (10501599).

13248765 is an equidigital number, since it uses as much as digits as its factorization.

13248765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32730 (or 32721 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13248765 is about 3639.8853003907. The cubic root of 13248765 is about 236.6238223926.

The spelling of 13248765 in words is "thirteen million, two hundred forty-eight thousand, seven hundred sixty-five".