12724324394 has 8 divisors (see below), whose sum is σ = 19283254788. Its totient is φ = 6296572800.

The previous prime is 12724324381. The next prime is 12724324409. The reversal of 12724324394 is 49342342721.

It can be written as a sum of positive squares in 2 ways, for example, as 12668628025 + 55696369 = 112555^2 + 7463^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32794457 + ... + 32794844.

Almost surely, 2^12724324394 is an apocalyptic number.

12724324394 is a deficient number, since it is larger than the sum of its proper divisors (6558930394).

12724324394 is an equidigital number, since it uses as much as digits as its factorization.

12724324394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65589400.

The product of its digits is 290304, while the sum is 41.

The spelling of 12724324394 in words is "twelve billion, seven hundred twenty-four million, three hundred twenty-four thousand, three hundred ninety-four".