12513366345 has 16 divisors (see below), whose sum is σ = 20360733120. Its totient is φ = 6560679744.

The previous prime is 12513366331. The next prime is 12513366347. The reversal of 12513366345 is 54366331521.

It is not a de Polignac number, because 12513366345 - 2¹⁵ = 12513333577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12513366347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7068814 + ... + 7070583.

It is an arithmetic number, because the mean of its divisors is an integer number (1272545820).

Almost surely, 2^12513366345 is an apocalyptic number.

12513366345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12513366345 is a deficient number, since it is larger than the sum of its proper divisors (7847366775).

12513366345 is a wasteful number, since it uses less digits than its factorization.

12513366345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139464.

The product of its digits is 194400, while the sum is 39.

Adding to 12513366345 its reverse (54366331521), we get a palindrome (66879697866).

The spelling of 12513366345 in words is "twelve billion, five hundred thirteen million, three hundred sixty-six thousand, three hundred forty-five".