13122365 has 8 divisors (see below), whose sum is σ = 15783768. Its totient is φ = 10473280.

The previous prime is 13122349. The next prime is 13122371. The reversal of 13122365 is 56322131.

13122365 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 13118884 = 59^2 + 3622^2 .

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

It is not a de Polignac number, because 13122365 - 2⁴ = 13122349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122365.

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, 542 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (1972971).

Almost surely, 2^13122365 is an apocalyptic number.

It is an amenable number.

13122365 is a deficient number, since it is larger than the sum of its proper divisors (2661403).

13122365 is an equidigital number, since it uses as much as digits as its factorization.

13122365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its digits is 1080, while the sum is 23.

The square root of 13122365 is about 3622.4805037433. The cubic root of 13122365 is about 235.8689124055.

Adding to 13122365 its reverse (56322131), we get a palindrome (69444496).

The spelling of 13122365 in words is "thirteen million, one hundred twenty-two thousand, three hundred sixty-five".