12784252613 has 8 divisors (see below), whose sum is σ = 14427370080. Its totient is φ = 11221287280.

The previous prime is 12784252553. The next prime is 12784252639. The reversal of 12784252613 is 31625248721.

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 12784252613 - 2⁶ = 12784252549 is a prime.

It is a super-2 number, since 2×12784252613² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784255613) 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, 20037695 + ... + 20038332.

It is an arithmetic number, because the mean of its divisors is an integer number (1803421260).

Almost surely, 2^12784252613 is an apocalyptic number.

It is an amenable number.

12784252613 is a deficient number, since it is larger than the sum of its proper divisors (1643117467).

12784252613 is a wasteful number, since it uses less digits than its factorization.

12784252613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076067.

The product of its digits is 161280, while the sum is 41.

The spelling of 12784252613 in words is "twelve billion, seven hundred eighty-four million, two hundred fifty-two thousand, six hundred thirteen".