12604320351 has 24 divisors (see below), whose sum is σ = 21013153824. Its totient is φ = 7131153600.

The previous prime is 12604320317. The next prime is 12604320419. The reversal of 12604320351 is 15302340621.

12604320351 is a `hidden beast` number, since 1 + 2 + 604 + 3 + 2 + 0 + 3 + 51 = 666.

It is not a de Polignac number, because 12604320351 - 2¹⁴ = 12604303967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604321351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 984076 + ... + 996801.

It is an arithmetic number, because the mean of its divisors is an integer number (875548076).

Almost surely, 2^12604320351 is an apocalyptic number.

12604320351 is a deficient number, since it is larger than the sum of its proper divisors (8408833473).

12604320351 is a wasteful number, since it uses less digits than its factorization.

12604320351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980991 (or 1980988 counting only the distinct ones).

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

Adding to 12604320351 its reverse (15302340621), we get a palindrome (27906660972).

The spelling of 12604320351 in words is "twelve billion, six hundred four million, three hundred twenty thousand, three hundred fifty-one".