12604051316 has 6 divisors (see below), whose sum is σ = 22057089810. Its totient is φ = 6302025656.

The previous prime is 12604051309. The next prime is 12604051319. The reversal of 12604051316 is 61315040621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12277526416 + 326524900 = 110804^2 + 18070^2 .

It is a super-2 number, since 2×12604051316² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604051319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575506411 + ... + 1575506418.

It is an arithmetic number, because the mean of its divisors is an integer number (3676181635).

Almost surely, 2^12604051316 is an apocalyptic number.

It is an amenable number.

12604051316 is a deficient number, since it is larger than the sum of its proper divisors (9453038494).

12604051316 is a wasteful number, since it uses less digits than its factorization.

12604051316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151012833 (or 3151012831 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12604051316 its reverse (61315040621), we get a palindrome (73919091937).

The spelling of 12604051316 in words is "twelve billion, six hundred four million, fifty-one thousand, three hundred sixteen".