12604407 has 8 divisors (see below), whose sum is σ = 17123184. Its totient is φ = 8244288.

The previous prime is 12604393. The next prime is 12604409. The reversal of 12604407 is 70440621.

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

It is not a de Polignac number, because 12604407 - 2¹⁸ = 12342263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604409) by changing a digit.

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, 39478 + ... + 39795.

It is an arithmetic number, because the mean of its divisors is an integer number (2140398).

Almost surely, 2^12604407 is an apocalyptic number.

12604407 is a deficient number, since it is larger than the sum of its proper divisors (4518777).

12604407 is an equidigital number, since it uses as much as digits as its factorization.

12604407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79329.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 12604407 is about 3550.2685813893. The cubic root of 12604407 is about 232.7238034604.

The spelling of 12604407 in words is "twelve million, six hundred four thousand, four hundred seven".