12604385 has 8 divisors (see below), whose sum is σ = 15144360. Its totient is φ = 10070784.

The previous prime is 12604379. The next prime is 12604393. The reversal of 12604385 is 58340621.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 12453841 = 388^2 + 3529^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12604385 - 2¹⁰ = 12603361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6599 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (1893045).

Almost surely, 2^12604385 is an apocalyptic number.

It is an amenable number.

12604385 is a deficient number, since it is larger than the sum of its proper divisors (2539975).

12604385 is a wasteful number, since it uses less digits than its factorization.

12604385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12604385 is about 3550.2654830308. The cubic root of 12604385 is about 232.7236680600.

The spelling of 12604385 in words is "twelve million, six hundred four thousand, three hundred eighty-five".