13555677 has 4 divisors (see below), whose sum is σ = 18074240. Its totient is φ = 9037116.

The previous prime is 13555669. The next prime is 13555699. The reversal of 13555677 is 77655531.

It is a happy number.

13555677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77655531 = 3 ⋅25885177.

It is not a de Polignac number, because 13555677 - 2³ = 13555669 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259277 + ... + 2259282.

It is an arithmetic number, because the mean of its divisors is an integer number (4518560).

Almost surely, 2^13555677 is an apocalyptic number.

It is an amenable number.

13555677 is a deficient number, since it is larger than the sum of its proper divisors (4518563).

13555677 is an equidigital number, since it uses as much as digits as its factorization.

13555677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518562.

The product of its digits is 110250, while the sum is 39.

The square root of 13555677 is about 3681.8034982872. The cubic root of 13555677 is about 238.4370485509.

The spelling of 13555677 in words is "thirteen million, five hundred fifty-five thousand, six hundred seventy-seven".