12347911481337 has 12 divisors (see below), whose sum is σ = 17835981344064. Its totient is φ = 8231890585560.

The previous prime is 12347911481333. The next prime is 12347911481351. The reversal of 12347911481337 is 73318411974321.

It is a happy number.

12347911481337 is a `hidden beast` number, since 1 + 2 + 3 + 47 + 91 + 1 + 481 + 3 + 37 = 666.

It is not a de Polignac number, because 12347911481337 - 2² = 12347911481333 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12347911481333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2617173 + ... + 5616530.

It is an arithmetic number, because the mean of its divisors is an integer number (1486331778672).

Almost surely, 2^{12347911481337} is an apocalyptic number.

It is an amenable number.

12347911481337 is a deficient number, since it is larger than the sum of its proper divisors (5488069862727).

12347911481337 is a wasteful number, since it uses less digits than its factorization.

12347911481337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400340 (or 8400337 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 12347911481337 in words is "twelve trillion, three hundred forty-seven billion, nine hundred eleven million, four hundred eighty-one thousand, three hundred thirty-seven".