13243265 has 8 divisors (see below), whose sum is σ = 18162240. Its totient is φ = 9081072.

The previous prime is 13243259. The next prime is 13243271. The reversal of 13243265 is 56234231.

It is an interprime number because it is at equal distance from previous prime (13243259) and next prime (13243271).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13243265 - 2⁶ = 13243201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189155 + ... + 189224.

It is an arithmetic number, because the mean of its divisors is an integer number (2270280).

Almost surely, 2^13243265 is an apocalyptic number.

It is an amenable number.

13243265 is a deficient number, since it is larger than the sum of its proper divisors (4918975).

13243265 is an equidigital number, since it uses as much as digits as its factorization.

13243265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378391.

The product of its digits is 4320, while the sum is 26.

The square root of 13243265 is about 3639.1297036517. The cubic root of 13243265 is about 236.5910744056.

Adding to 13243265 its reverse (56234231), we get a palindrome (69477496).

The spelling of 13243265 in words is "thirteen million, two hundred forty-three thousand, two hundred sixty-five".