13605612127 has 2 divisors, whose sum is σ = 13605612128. Its totient is φ = 13605612126.

The previous prime is 13605612113. The next prime is 13605612149. The reversal of 13605612127 is 72121650631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13605612127 is a prime.

It is a super-2 number, since 2×13605612127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13605612092 and 13605612101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13605612157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6802806063 + 6802806064.

It is an arithmetic number, because the mean of its divisors is an integer number (6802806064).

Almost surely, 2^13605612127 is an apocalyptic number.

13605612127 is a deficient number, since it is larger than the sum of its proper divisors (1).

13605612127 is an equidigital number, since it uses as much as digits as its factorization.

13605612127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 13605612127 in words is "thirteen billion, six hundred five million, six hundred twelve thousand, one hundred twenty-seven".