12647245829 has 8 divisors (see below), whose sum is σ = 13392286488. Its totient is φ = 11902325760.

The previous prime is 12647245817. The next prime is 12647245847. The reversal of 12647245829 is 92854274621.

It can be written as a sum of positive squares in 4 ways, for example, as 3008522500 + 9638723329 = 54850^2 + 98177^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12647245829 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 (12647245859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272909 + ... + 315869.

It is an arithmetic number, because the mean of its divisors is an integer number (1674035811).

Almost surely, 2^12647245829 is an apocalyptic number.

It is an amenable number.

12647245829 is a deficient number, since it is larger than the sum of its proper divisors (745040659).

12647245829 is a wasteful number, since it uses less digits than its factorization.

12647245829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60295.

The product of its digits is 1935360, while the sum is 50.

The spelling of 12647245829 in words is "twelve billion, six hundred forty-seven million, two hundred forty-five thousand, eight hundred twenty-nine".