12500006950687 has 4 divisors (see below), whose sum is σ = 13235301477216. Its totient is φ = 11764712424160.

The previous prime is 12500006950667. The next prime is 12500006950699. The reversal of 12500006950687 is 78605960000521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12500006950687 - 2¹⁹ = 12500006426399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12500006950687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500006950657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367647263239 + ... + 367647263272.

It is an arithmetic number, because the mean of its divisors is an integer number (3308825369304).

Almost surely, 2^{12500006950687} is an apocalyptic number.

12500006950687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12500006950687 is a deficient number, since it is larger than the sum of its proper divisors (735294526529).

12500006950687 is an equidigital number, since it uses as much as digits as its factorization.

12500006950687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735294526528.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 12500006950687 in words is "twelve trillion, five hundred billion, six million, nine hundred fifty thousand, six hundred eighty-seven".