13103265 has 16 divisors (see below), whose sum is σ = 23960448. Its totient is φ = 5990016.

The previous prime is 13103239. The next prime is 13103269. The reversal of 13103265 is 56230131.

13103265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13103265 - 2⁶ = 13103201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13103269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62292 + ... + 62501.

It is an arithmetic number, because the mean of its divisors is an integer number (1497528).

Almost surely, 2^13103265 is an apocalyptic number.

13103265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13103265 is a deficient number, since it is larger than the sum of its proper divisors (10857183).

13103265 is a wasteful number, since it uses less digits than its factorization.

13103265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124808.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13103265 is about 3619.8432286496. The cubic root of 13103265 is about 235.7544187208.

Adding to 13103265 its reverse (56230131), we get a palindrome (69333396).

The spelling of 13103265 in words is "thirteen million, one hundred three thousand, two hundred sixty-five".