12387647011 has 8 divisors (see below), whose sum is σ = 12480633360. Its totient is φ = 12295001472.

The previous prime is 12387647003. The next prime is 12387647093. The reversal of 12387647011 is 11074678321.

It is a happy number.

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 12387647011 - 2³ = 12387647003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12387647411) 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, 12001 + ... + 157858.

It is an arithmetic number, because the mean of its divisors is an integer number (1560079170).

Almost surely, 2^12387647011 is an apocalyptic number.

12387647011 is a deficient number, since it is larger than the sum of its proper divisors (92986349).

12387647011 is a wasteful number, since it uses less digits than its factorization.

12387647011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170405.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 12387647011 in words is "twelve billion, three hundred eighty-seven million, six hundred forty-seven thousand, eleven".