13026765 has 8 divisors (see below), whose sum is σ = 20842848. Its totient is φ = 6947600.

The previous prime is 13026749. The next prime is 13026779. The reversal of 13026765 is 56762031.

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

It is not a de Polignac number, because 13026765 - 2⁴ = 13026749 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 434211 + ... + 434240.

It is an arithmetic number, because the mean of its divisors is an integer number (2605356).

Almost surely, 2^13026765 is an apocalyptic number.

13026765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13026765 is a deficient number, since it is larger than the sum of its proper divisors (7816083).

13026765 is an equidigital number, since it uses as much as digits as its factorization.

13026765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868459.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13026765 is about 3609.2610046933. The cubic root of 13026765 is about 235.2947260340.

Adding to 13026765 its reverse (56762031), we get a palindrome (69788796).

The spelling of 13026765 in words is "thirteen million, twenty-six thousand, seven hundred sixty-five".