12894940735 has 8 divisors (see below), whose sum is σ = 15586878096. Its totient is φ = 10240653120.

The previous prime is 12894940717. The next prime is 12894940763. The reversal of 12894940735 is 53704949821.

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

It is not a de Polignac number, because 12894940735 - 2⁷ = 12894940607 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, 9411681 + ... + 9413050.

It is an arithmetic number, because the mean of its divisors is an integer number (1948359762).

Almost surely, 2^12894940735 is an apocalyptic number.

12894940735 is a deficient number, since it is larger than the sum of its proper divisors (2691937361).

12894940735 is a wasteful number, since it uses less digits than its factorization.

12894940735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824873.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 12894940735 in words is "twelve billion, eight hundred ninety-four million, nine hundred forty thousand, seven hundred thirty-five".