13125284687 has 2 divisors, whose sum is σ = 13125284688. Its totient is φ = 13125284686.

The previous prime is 13125284681. The next prime is 13125284713. The reversal of 13125284687 is 78648252131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13125284687 - 2⁴ = 13125284671 is a prime.

It is a super-2 number, since 2×13125284687² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13125284681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562642343 + 6562642344.

It is an arithmetic number, because the mean of its divisors is an integer number (6562642344).

Almost surely, 2^13125284687 is an apocalyptic number.

13125284687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125284687 is an equidigital number, since it uses as much as digits as its factorization.

13125284687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The spelling of 13125284687 in words is "thirteen billion, one hundred twenty-five million, two hundred eighty-four thousand, six hundred eighty-seven".