13127736527 has 2 divisors, whose sum is σ = 13127736528. Its totient is φ = 13127736526.

The previous prime is 13127736509. The next prime is 13127736533. The reversal of 13127736527 is 72563772131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13127736527 - 2¹⁶ = 13127670991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13127736827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563868263 + 6563868264.

It is an arithmetic number, because the mean of its divisors is an integer number (6563868264).

Almost surely, 2^13127736527 is an apocalyptic number.

13127736527 is a deficient number, since it is larger than the sum of its proper divisors (1).

13127736527 is an equidigital number, since it uses as much as digits as its factorization.

13127736527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 44.

The spelling of 13127736527 in words is "thirteen billion, one hundred twenty-seven million, seven hundred thirty-six thousand, five hundred twenty-seven".