12507306663 has 16 divisors (see below), whose sum is σ = 16728477696. Its totient is φ = 8312202720.

The previous prime is 12507306649. The next prime is 12507306683. The reversal of 12507306663 is 36660370521.

It is not a de Polignac number, because 12507306663 - 2¹⁷ = 12507175591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507306683) 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, 2023045 + ... + 2029217.

It is an arithmetic number, because the mean of its divisors is an integer number (1045529856).

Almost surely, 2^12507306663 is an apocalyptic number.

12507306663 is a deficient number, since it is larger than the sum of its proper divisors (4221171033).

12507306663 is a wasteful number, since it uses less digits than its factorization.

12507306663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 12507306663 in words is "twelve billion, five hundred seven million, three hundred six thousand, six hundred sixty-three".