13155677 has 2 divisors, whose sum is σ = 13155678. Its totient is φ = 13155676.

The previous prime is 13155673. The next prime is 13155679. The reversal of 13155677 is 77655131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 4239481 = 2986^2 + 2059^2 .

It is an emirp because it is prime and its reverse (77655131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13155677 - 2² = 13155673 is a prime.

Together with 13155679, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₅₈₆₈₀ and since 13155677 and 858680 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13155673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577838 + 6577839.

It is an arithmetic number, because the mean of its divisors is an integer number (6577839).

Almost surely, 2^13155677 is an apocalyptic number.

It is an amenable number.

13155677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155677 is an equidigital number, since it uses as much as digits as its factorization.

13155677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 35.

The square root of 13155677 is about 3627.0755437404. The cubic root of 13155677 is about 236.0683334154.

The spelling of 13155677 in words is "thirteen million, one hundred fifty-five thousand, six hundred seventy-seven".