12945006287 has 4 divisors (see below), whose sum is σ = 12947306736. Its totient is φ = 12942705840.

The previous prime is 12945006247. The next prime is 12945006293. The reversal of 12945006287 is 78260054921.

It is a happy number.

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 12945006287 - 2¹⁴ = 12944989903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945006227) 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, 1141763 + ... + 1153044.

It is an arithmetic number, because the mean of its divisors is an integer number (3236826684).

Almost surely, 2^12945006287 is an apocalyptic number.

12945006287 is a deficient number, since it is larger than the sum of its proper divisors (2300449).

12945006287 is an equidigital number, since it uses as much as digits as its factorization.

12945006287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300448.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12945006287 in words is "twelve billion, nine hundred forty-five million, six thousand, two hundred eighty-seven".