12894354005 has 8 divisors (see below), whose sum is σ = 16663472952. Its totient is φ = 9521984448.

The previous prime is 12894353921. The next prime is 12894354017. The reversal of 12894354005 is 50045349821.

It can be written as a sum of positive squares in 4 ways, for example, as 772784401 + 12121569604 = 27799^2 + 110098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12894354005 - 2²⁰ = 12893305429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99187274 + ... + 99187403.

It is an arithmetic number, because the mean of its divisors is an integer number (2082934119).

Almost surely, 2^12894354005 is an apocalyptic number.

It is an amenable number.

12894354005 is a deficient number, since it is larger than the sum of its proper divisors (3769118947).

12894354005 is a wasteful number, since it uses less digits than its factorization.

12894354005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198374695.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 12894354005 in words is "twelve billion, eight hundred ninety-four million, three hundred fifty-four thousand, five".