12538613047 has 8 divisors (see below), whose sum is σ = 13362149376. Its totient is φ = 11738275032.

The previous prime is 12538613039. The next prime is 12538613069. The reversal of 12538613047 is 74031683521.

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

It is not a de Polignac number, because 12538613047 - 2³ = 12538613039 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 (12538613447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5798463 + ... + 5800624.

It is an arithmetic number, because the mean of its divisors is an integer number (1670268672).

Almost surely, 2^12538613047 is an apocalyptic number.

12538613047 is a deficient number, since it is larger than the sum of its proper divisors (823536329).

12538613047 is a wasteful number, since it uses less digits than its factorization.

12538613047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599157.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12538613047 in words is "twelve billion, five hundred thirty-eight million, six hundred thirteen thousand, forty-seven".