13155071 has 2 divisors, whose sum is σ = 13155072. Its totient is φ = 13155070.

The previous prime is 13155047. The next prime is 13155083. The reversal of 13155071 is 17055131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13155071 - 2¹⁰ = 13154047 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13155031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577535 + 6577536.

It is an arithmetic number, because the mean of its divisors is an integer number (6577536).

Almost surely, 2^13155071 is an apocalyptic number.

13155071 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155071 is an equidigital number, since it uses as much as digits as its factorization.

13155071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 13155071 is about 3626.9920044025. The cubic root of 13155071 is about 236.0647086277.

It can be divided in two parts, 131 and 55071, that multiplied together give a triangular number (7214301 = T₃₇₉₈).

The spelling of 13155071 in words is "thirteen million, one hundred fifty-five thousand, seventy-one".