12605365 has 4 divisors (see below), whose sum is σ = 15126444. Its totient is φ = 10084288.

The previous prime is 12605363. The next prime is 12605377. The reversal of 12605365 is 56350621.

12605365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6345361 + 6260004 = 2519^2 + 2502^2 .

It is a cyclic number.

It is not a de Polignac number, because 12605365 - 2¹ = 12605363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260532 + ... + 1260541.

It is an arithmetic number, because the mean of its divisors is an integer number (3781611).

Almost surely, 2^12605365 is an apocalyptic number.

It is an amenable number.

12605365 is a deficient number, since it is larger than the sum of its proper divisors (2521079).

12605365 is an equidigital number, since it uses as much as digits as its factorization.

12605365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521078.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 12605365 is about 3550.4034981957. The cubic root of 12605365 is about 232.7296993812.

Adding to 12605365 its reverse (56350621), we get a palindrome (68955986).

The spelling of 12605365 in words is "twelve million, six hundred five thousand, three hundred sixty-five".