12894583807 has 4 divisors (see below), whose sum is σ = 14736667216. Its totient is φ = 11052500400.

The previous prime is 12894583789. The next prime is 12894583811. The reversal of 12894583807 is 70838549821.

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 12894583807 - 2²³ = 12886195199 is a prime.

It is a super-2 number, since 2×12894583807² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12894583837) 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, 921041694 + ... + 921041707.

It is an arithmetic number, because the mean of its divisors is an integer number (3684166804).

Almost surely, 2^12894583807 is an apocalyptic number.

12894583807 is a deficient number, since it is larger than the sum of its proper divisors (1842083409).

12894583807 is an equidigital number, since it uses as much as digits as its factorization.

12894583807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842083408.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 12894583807 in words is "twelve billion, eight hundred ninety-four million, five hundred eighty-three thousand, eight hundred seven".