12604365 has 12 divisors (see below), whose sum is σ = 21847644. Its totient is φ = 6722304.

The previous prime is 12604363. The next prime is 12604373. The reversal of 12604365 is 56340621.

12604365 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 2 ways, for example, as 9771876 + 2832489 = 3126^2 + 1683^2 .

It is not a de Polignac number, because 12604365 - 2¹ = 12604363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140004 + ... + 140093.

It is an arithmetic number, because the mean of its divisors is an integer number (1820637).

Almost surely, 2^12604365 is an apocalyptic number.

12604365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12604365 is a deficient number, since it is larger than the sum of its proper divisors (9243279).

12604365 is a wasteful number, since it uses less digits than its factorization.

12604365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280108 (or 280105 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 12604365 is about 3550.2626663389. The cubic root of 12604365 is about 232.7235449685.

Adding to 12604365 its reverse (56340621), we get a palindrome (68944986).

It can be divided in two parts, 1260 and 4365, that added together give a square (5625 = 75²).

The spelling of 12604365 in words is "twelve million, six hundred four thousand, three hundred sixty-five".