12837128747 has 2 divisors, whose sum is σ = 12837128748. Its totient is φ = 12837128746.

The previous prime is 12837128699. The next prime is 12837128749. The reversal of 12837128747 is 74782173821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12837128747 - 2³² = 8542161451 is a prime.

Together with 12837128749, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12837128695 and 12837128704.

It is not a weakly prime, because it can be changed into another prime (12837128749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6418564373 + 6418564374.

It is an arithmetic number, because the mean of its divisors is an integer number (6418564374).

Almost surely, 2^12837128747 is an apocalyptic number.

12837128747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12837128747 is an equidigital number, since it uses as much as digits as its factorization.

12837128747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 50.

The spelling of 12837128747 in words is "twelve billion, eight hundred thirty-seven million, one hundred twenty-eight thousand, seven hundred forty-seven".