12087713747 has 2 divisors, whose sum is σ = 12087713748. Its totient is φ = 12087713746.

The previous prime is 12087713723. The next prime is 12087713809. The reversal of 12087713747 is 74731778021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12087713747 is a prime.

It is a super-2 number, since 2×12087713747² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12087713717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043856873 + 6043856874.

It is an arithmetic number, because the mean of its divisors is an integer number (6043856874).

Almost surely, 2^12087713747 is an apocalyptic number.

12087713747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087713747 is an equidigital number, since it uses as much as digits as its factorization.

12087713747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460992, while the sum is 47.

The spelling of 12087713747 in words is "twelve billion, eighty-seven million, seven hundred thirteen thousand, seven hundred forty-seven".